Hosts dictionary entries for words in hundreds of languages within a single, interlinked project. Each entry is structured by language, providing definitions, pronunciations, and grammatical information specific to that language.
Allows any registered user to add, edit, and improve dictionary entries. Changes are reviewed by a community of volunteer editors, and the complete edit history of every page is publicly visible.
Provides detailed word origins and historical development, tracing terms back through older languages (e.g., Proto-Indo-European roots) and documenting borrowing between languages.
Entries include International Phonetic Alphabet (IPA) transcriptions and, for many words, links to audio recordings of native speakers pronouncing the word.
Content is increasingly marked up with machine-readable templates (like inflection tables and language codes) and the entire database is available for download in XML format.
Many entries include tables showing translations of the word into dozens of other languages, often with gender and grammatical notes.
Language students use Wiktionary to look up unfamiliar words encountered in reading or conversation. They benefit from seeing definitions, example sentences, and pronunciation guides in the target language, as well as translations back to their native tongue. The audio pronunciations are particularly helpful for mastering correct speech. This makes it a versatile, free supplement to textbook glossaries.
Linguists, etymologists, and historians use Wiktionary to trace the origin and evolution of words across languages and time periods. The detailed etymological sections, which often cite scholarly sources and reconstruct proto-forms, provide a starting point for academic inquiry. The collaborative nature also allows experts to share and debate findings directly within the entry's discussion pages.
Writers, editors, and translators use Wiktionary to verify definitions, find precise synonyms or antonyms, check grammatical forms (like pluralization or verb conjugations), and confirm correct usage. When translating, the multilingual translation tables offer potential equivalents, though professionals will cross-reference with other sources. It's a quick reference tool during the creative or localisation process.
Developers and researchers in computational linguistics use Wiktionary's structured data dumps to train and improve AI models. The data provides labeled information on parts of speech, definitions, word senses, and semantic relations (like synonyms) across many languages. This open dataset is invaluable for building spell-checkers, grammar tools, semantic networks, and machine translation systems.
Enthusiasts of crossword puzzles, Scrabble, Words with Friends, and other word games use Wiktionary to check the validity of obscure words, find words that fit specific letter patterns, or explore anagrams. The search functionality and comprehensive inclusion of rare, archaic, and dialectal words make it a powerful tool for competitive play and puzzle construction.
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