The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!

DICTIONARY definition: a book or digital resource (such as Dictionary.com) containing a selection of words and information about their meanings, pronunciations, etymologies, inflected forms, derived …

DEFINITION definition: the act of defining, or of making something definite, distinct, or clear. See examples of definition used in a sentence.

SEARCH definition: to go or look through (a place, area, etc.) carefully in order to find something missing or lost. See examples of search used in a sentence.

DEFINE definition: to state or set forth the meaning of (a word, phrase, etc.). See examples of define used in a sentence.

MEANING definition: what is intended to be, or actually is, expressed or indicated; signification; import. See examples of meaning used in a sentence.

ONLINE DICTIONARY definition: a dictionary that is available on the internet. Online dictionaries like Dictionary.com offer immediate, direct access through large databases to a word's spelling and …

FASCISM definition: a governmental system led by a dictator having complete power, forcibly suppressing opposition and criticism, regimenting all industry, commerce, etc., and emphasizing an …

THESAURUS definition: a dictionary of synonyms and antonyms, such as the online Thesaurus.com. See examples of thesaurus used in a sentence.

PREVALENT definition: widespread; of wide extent or occurrence; in general use or acceptance. See examples of prevalent used in a sentence.