The Institute for Bulgarian Language "Professor Lyubomir Andreychin" is one of the oldest institutes of the Bulgarian Academy of Sciences.
The Institute is a research centre for studying and describing the Bulgarian language – its contemporary state, history, dialectal diversity, and its relationship with other languages.
Priority areas of research at the Institute for Bulgarian Language include: theoretical linguistic research; academic dictionaries of the Bulgarian language; electronic language resources and tools for their processing; language culture; the linguistic and cultural-historical heritage of the Bulgarian people; sources for the history of the Bulgarian language.
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DICTIONARIES
Dictionary of the Bulgarian Language
The multi-volume "Dictionary of the Bulgarian Language" presents the lexical richness of the Bulgarian language over the past 150 years in its stylistic and functional diversity (literary vocabulary, colloquial vocabulary, dialectal vocabulary, terminology, archaic words, etc.). The 16 volumes published to date (up to the word SISTEMNOST) include a total of over 124,000 headwords. The dictionary is also available online.
Bulgarian Language Resources Online
BERON (Bulgarian Language Resources Online) is an intuitive platform with free access to reliable information about standard Bulgarian – covering spelling, pronunciation, punctuation and grammar. Its first product is the digitised version of the Official Spelling Dictionary of the Bulgarian Language.
Electronic Library
The Electronic Library provides free online access to various dictionaries and resources of the Institute for Bulgarian Language – the Bulgarian Etymological Dictionary (in 8 volumes), the Old Bulgarian Dictionary (in 2 volumes), specialised dictionaries, dialect atlases, and more.
"What Is Written Remains. Write Correctly!"
"What Is Written Remains. Write Correctly!" is a project of the Institute for Bulgarian Language aimed at drawing attention to the immense importance of literacy, education and science for the development of society. Materials related to the Bulgarian language are published and campaigns, language games and quizzes are organised.
NATIONAL RESEARCH PROGRAMMES
Bulgarian Studies Abroad
The National Research Programme "Development and Promotion of Bulgarian Studies Abroad", funded by the Ministry of Education and Science of the Republic of Bulgaria, aims to strengthen interest in Bulgarian Studies abroad as a field of academic research.
Education with Science
The Institute for Bulgarian Language's participation in the National Programme "Education with Science" has as its primary goal developing activities and enriching resources in support of research-based approaches and innovations in Bulgarian language teaching.
Innovations in Education
The Institute for Bulgarian Language participates in the National Research Programme "Development of Research and Innovation in the Bulgarian Pre-school and School Education System" with activities related to collaboration and continuing professional development for Bulgarian language teachers.
INSTITUTE PUBLICATIONS
ACADEMIC EVENTS ORGANISED BY THE INSTITUTE
NEWS

An Afternoon with Anastas Abadzhiev
The mysteries and wonders of Antarctica The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of […]

Exhibition “Bulgarian Revolutionaries and Intellectuals on the April Uprising”
exhibition Bulgarian Revolutionaries and Intellectuals on the April Uprising 1 – 31 July 2026 At the National Assembly The exhibition […]

Presenting the Results of the Project “Infrastructure for Fine-Tuning Pre-trained Large Language Models”
29 May 2026, 11:00 a.m. Shared Workspace Hall, 16 Gen. Gurko Street, 6th Floor On 29 May 2026, at 11:00 […]

Join the “The Written Word Remains. Write Correctly!” Campaign on 24 May 2026
On the occasion of 24 May – the Day of the Holy Brothers Cyril and Methodius, of the Bulgarian Alphabet, […]

Join the “The Written Word Remains. Write Correctly!” Dictation Initiative for 24 May 2026
On the occasion of 24 May – the Day of the Holy Brothers Cyril and Methodius, of the Bulgarian Alphabet, […]

The Institute for Bulgarian Language at the Sofia Science Festival 2026
➥ News Article The Institute for Bulgarian Language at the Sofia Science Festival – 14 May 2026 The Institute […]

Annual International Conference of the Institute for Bulgarian Language 2026
The Annual International Conference of the Institute for Bulgarian Language will take place on 15th and 16th May 2026. The […]

The Institute for Bulgarian Language at the Sofia Science Festival 2026
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences will take part in the Sofia […]

Spring Linguistics Seminar Held on 18 May 2026
On 18 May 2026 (Monday) at 10:30 a.m., the Institute for Bulgarian Language “Prof. Lyubomir Andreychin” hosted a Spring Linguistics […]

The Unfading Word: 150 Thoughts of the Figures of the April Uprising
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences joins the commemorations marking the 150th […]

Presenting the Results of the Project “The Cultural Identity of the Banat Bulgarians and Bulgarian Catholic Literature”
The research team of the project “The Cultural Identity of the Banat Bulgarians and Bulgarian Catholic Literature”, funded by the […]

Eighth Computational Linguistics Competition for School Students
The Eighth Computational Linguistics Competition for School Students will take place on 26 April 2026 (Sunday), from 10:00 a.m. to […]

Spring Linguistics Seminar Held on 2 April 2026
On 2 April 2026, the Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences hosted a […]

Language Masters Competition for University Students
On 31 March 2026, the Language Masters Competition brought together university students for an engaging contest at South-West University “Neofit […]

Partnership Agreement between the Bulgarian News Agency and the Institute for Bulgarian Language
On 30 March 2026, the Bulgarian News Agency (BTA) and the Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the […]

Working Visit by a Representative of the European Commission’s Directorate-General for Translation
НRositsa Vasileva-Venetsia from the Directorate-General for Translation of the European Commission arrived at the Institute for Bulgarian Language “Prof. Lyubomir […]

An Afternoon with Viktoria Beshliiska
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences invites you to meet Viktoria Beshliiska. […]

Language Masters Competition for University Students to Be Held at South-West University “Neofit Rilski”
On 31 March 2026 at 10:30 a.m., Room 114 of South-West University “Neofit Rilski” will host the Language Masters Competition […]

Admission Competition for Full-Time PhD Students for the Academic Year 2025–2026 (Additional Admission Round)
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences announces a competition for admission to […]

Language Notes Presented at Sofia University “St. Kliment Ohridski”
Researchers from the Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences were invited to attend […]

An Afternoon with Alexander Kiossev
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences invites you to meet Alexander Kiossev. […]

Presenting the results of the international research project “Assessing reading literacy and comprehension of early graders in Bulgaria and Italy”
Bulgarian and Italian researchers present new findings on reading literacy and comprehension in early grades The Institute for Bulgarian Language […]

Конкурс за прием на редовни докторанти за учебната 2025 – 2026 г.
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The “The Written Word Remains. Write Correctly!” project holds two language quizzes at Sofia University “St. Kliment Ohridski”
The “The Written Word Remains. Write Correctly!” project holds two language quizzes at Sofia University “St. Kliment Ohridski” On 9 […]

Terminology matters
On 11 December 2025, the Directorate-General for Translation of the European Commission organised a webinar entitled “Terminology Matters”. The importance […]

Presenting the jubilee volume “Language, Theory, Interpretations” in honour of Prof. DrSc Stefana Dimitrova
On 17 December 2025 at 4:00 p.m., the jubilee volume “Language, Theory, Interpretations”, dedicated to the 90th anniversary of the […]

An Afternoon with Viktor Topalov
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences invites you to meet Viktor Topalov, […]

Language game on the occasion of the Day of the National Revival Leaders
On the occasion of 1 November, the Day of the National Revival Leaders, the Institute for Bulgarian Language “Prof. Lyubomir […]

An Afternoon with Dimitar Kambourov
The Institute for Bulgarian Language “Prof. Lyubomir Andreychin” at the Bulgarian Academy of Sciences once again invites you to join […]

Presenting the volume “New International Bulgarian Studies”
On 18 November 2025 at 5:30 p.m., Todor Borov Hall of the St. Cyril and Methodius National Library hosted the […]

Official presentation of the volume “Alphabet. Language. Identity” by Vice President Iliana Iotova
On 29 October 2025, Vice President of the Republic of Bulgaria Iliana Iotova officially presented the volume “Alphabet. Language. Identity”, […]
Theory of Bulgarian Terminology
Department of Terminology and Terminography Period: 2011-2014 Type of project: Collective Funding: budgetary (BAS) Principal Investigator: Corr. Member M. Popova, […]
Теория на българската терминология
Секция за терминология и терминография Срок: 2011-2014 Вид на проекта: колективен Финансиране: бюджетна субсидия Ръководител: чл.-кор. проф. д.ф.н. М. Попова […]
Форум „Българска граматика“
Институтът за български език организира първата сбирка на Форума Българска граматика на 27 ноември 2014 г. от 13 часа в […]
Study and Publication of Written Monuments from 9th-18th century as Evidence of the Bulgarian Cultural and Historical Heritage and National Identity
Department of History of Bulgarian Language Period: 2012-2014 Type of project: Collective Funding: budgetary (BAS) Principal Investigator: Prof. M. Tsibranska-Kostova, […]
Изследване и издание на писмени паметници от IX-XVIII в. като част от културноисторическото наследство и националната идентичност
Секция за история на българския език Срок: 2012-2014 Вид на проекта: колективен Финансиране: бюджетна субсидия Ръководител: проф. д.ф.н. М. Цибранска-Костова […]
Language and Culture in the Age of Globalisation
Department of History of Bulgarian Language Department of Bulgarian Dialectology and Linguistic Geography Department of Ethnolinguistics Period: 2012-2014 Type of […]
The Bulgarian Dialect Map „speaks“
The Bulgarian Dialect Map, prepared by a team of researchers from the Institute for Bulgarian Language, now includes audio records […]
Картата на българските диалекти „проговаря“
Картата на българските диалекти, изработена от екип от учени от Института за български език при БАН, вече включва и звукови […]
„Bulgarian Grammar“ Forum
The Institute for Bulgarian Language organises the first meeting of the Bulgarian Grammar Forum on 27th November 2014 at 13:00 […]
Официален правописен речник на българския език
ОФИЦИАЛЕН ПРАВОПИСЕН РЕЧНИК НА БЪЛГАРСКИЯ ЕЗИК Българска академия на науките, ИБЕ „Проф. Любомир Андрейчин“ Издателство „Просвета“, София, 2012, 676 с. […]
Dictionary of the Bulgarian Language
Dictionary of the Bulgarian Language Volumes 1-15. Sofia: Bulgarian Academy of Sciences, 1977-2014. On 24th May 2014 the Institute for […]
Речник на българския език
РЕЧНИК НА БЪЛГАРСКИЯ ЕЗИК Т. І-XV. София: Българска академия на науките, 1977-2014. По случай 24 май 2014 Институтът за български […]
Интерактивна диалектна карта на българския език
Настоящата карта се изработва от Секцията по диалектология и лингвистична география и е първата стъпка в проекта за създаване на […]
Integrating New Practices and Knowledge in Undergraduate and Graduate Courses in Computational Linguistics
The main goal of the project is to assist the development of the scientific potentialin Bulgaria in the fields of […]
Интегриране на нови практики и знания в обучението по компютърна лингвистика
Основната цел на проекта е развитието на научния потенциал в България в областта на математическата логика, информатиката и компютърната лингвистика […]
Official Dictionary of Standard Bulgarian Spelling
Official Dictionary of Standard Bulgarian Bulgarian Academy of Sciences, Institute for Bulgarian Language Prosveta Publ., Sofia, 2012, 676 p. The […]
CONFERENCE CALL
The Department of Bulgarian Dialectology and Linguistic Geography at the Institute for Bulgarian Language „Prof. Lyubomir Andreychin“ (Bulgarian Academy of […]
ПОКАНА ЗА УЧАСТИЕ В КОНФЕРЕНЦИЯ
Секцията за българска диалектология и лингвистична география при Института за български език „Проф. Любомир Андрейчин” към БАН най-учтиво Ви кани […]
GALLERY

The Institute for Bulgarian Language at the Sofia Science Festival 2026
➥ News Article The Institute for Bulgarian Language at the Sofia Science Festival – 14 May 2026 The Institute […]

Language Masters Competition for University Students
On 31 March 2026, the Language Masters Competition brought together university students for an engaging contest at South-West University “Neofit […]

(Български) Диктовки на открито като част от кампанията „Написаното остава. Пиши правилно!“ по случай 24 май
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(Български) Международна годишна конференция на Института за български език – 2025 г.
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(Български) Институтът за български език на Софийския фестивал на науката – 2025 г.
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(Български) Проектът „Написаното остава. Пиши правилно!“ проведе две езикови викторини в Софийския университет „Св. Климент Охридски“
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(Български) Девети форум „Изследователски подходи в обучението по български език“
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(Български) Единадесети форум „Българска граматика“
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(Български) Диктовки на открито на 24 май 2024 година
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(Български) Международна годишна конференция на Института за български език – 2024 г.
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(Български) Институтът за български език на Софийския фестивал на науката 2024
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(Български) Шесто състезание по компютърна лингвистика – 28 април 2024 г.
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(Български) Пролетен лингвистичен семинар – 4 април 2024 г.
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(Български) Коледно тържество за изпращане на 2023 година в Института за български език
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(Български) „Написаното остава. Пиши правилно!“ в 35. СЕУ „Добри Войников“ в гр. София
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Диктовки на открито като част от кампанията „Написаното остава. Пиши правилно!“ на 24 май
На 24 май 2023 година в Княжеската градина в София бяха проведени традиционните вече диктовки на открито. Младите учени от […]

(Български) Институтът за български език на Софийския фестивал на науката 2023
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(Български) Международна годишна конференция на Института за български език – 2023 г.
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Институтът за български език участва в „Алея на книгата“
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80th Anniversary of the Institute for Bulgarian Language
International Jubilee Conference of the Institute for Bulgarian Language – 15 May 2022 ➥ More photos from 15 May 2022 […]

(Български) Кампанията „Написаното остава. Пиши правилно!“ на „Алея на книгата“ в гр. София – 2021 г.
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(Български) Млади учени на Софийския фестивал на науката 2021
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(Български) „Написаното остава. Пиши правилно!“ в СУ „Бачо Киро“ в гр. Павликени
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(Български) Институтът за български език на Софийския фестивал на науката 2020
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(Български) Кампанията „Написаното остава. Пиши правилно!“ на „Алея на книгата“ в гр. София 2020
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(Български) „Написаното остава. Пиши правилно!“ на „Алея на книгата“ в гр. Варна 2020
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(Български) Институтът за български език взе участие в Националния научно-образователен фестивал
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(Български) Коледно тържество на Института за български език на 11.12.2019 година
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(Български) Кампанията „Написаното остава. Пиши правилно!“ в СУ „Петко Рачов Славейков“, гр. Кърджали, 11.12.2019 г.
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(Български) Ден на отворените врати в Института за български език „Професор Любомир Андрейчин“ – 4 ноември 2019 г.
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(Български) Форум „Изследователски подходи в обучението по български език“ 2019
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