Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary., Use can function as a verb with several different meanings, but usually means “to put into service or action.” As a noun, use also has a broad range of definitions, but often refers to “the act of putting something into service or action.”, Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement., The English dictionary includes the Cambridge Advanced Learner’s Dictionary, the Cambridge Academic Content Dictionary, and the Cambridge Business English Dictionary., Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and examples., The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries.