An comprehensive online dictionary providing definitions, synonyms, word origins, and pronunciation guides for the English language.
oxfordlearnersdictionaries.com/us
A comprehensive online resource providing definitions, grammar guides, and vocabulary lists for learners of British and American English. It offers authoritative linguistic tools including audio pronunciation, synonym identification, and example sentences.
The Oxford English Dictionary is the definitive record of the English language, documenting the history, meaning, and pronunciation of words. It serves as an essential resource for linguists, academics, and writers seeking comprehensive etymological data.
wiktionary.org
A multilingual, free-content dictionary project that provides definitions, etymologies, and usage examples for millions of words across hundreds of languages.