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The meaning of DICTIONARY is a reference source in print or electronic form containing words usually alphabetically arranged along with information about their forms, pronunciations, functions, …

The most popular dictionary and thesaurus for learners of English. Meanings and definitions of words with pronunciations and translations.

The historical English dictionary An unsurpassed guide for researchers in any discipline to the meaning, history, and usage of over 500,000 words and phrases across the English-speaking world.

Feb 1, 2026 · Collins online dictionary and reference resources draw on the wealth of reliable and authoritative information about language, thanks to the extensive use of our corpora - vast databases …

3 days ago · The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries

The largest and most trusted free online dictionary for learners of British and American English with definitions, pictures, example sentences, synonyms, antonyms, word origins, audio pronunciation, …