Dictionary.com is the world’s leading online source for English definitions, synonyms, word origins and etymologies, audio pronunciations, example sentences, slang phrases, idioms, word …

Find definitions for over 300,000 words from the most authoritative English dictionary. Continuously updated with new words and meanings.

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 …

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 …

Nov 21, 2025 · Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, …

1 day ago · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.

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

The much-anticipated Fifth Edition of The American Heritage Dictionary of the English Language is the premier resource about words for people who seek to know more and find fresh …

Sep 12, 2025 · Wiktionary has grown beyond a standard dictionary and now includes a thesaurus, a rhyme guide, phrase books, language statistics and extensive appendices. We aim to …