colloquial

1 used in or suitable for speech and not formal writing the new coworker's rudeness soon began—to use a colloquial expression—to rub me the wrong way Synonyms conversational, informal, nonformal, nonliterary, unbookish, unliterary, vernacular, vulgar Related Words dialectal, dialectical (also dialectic), nonstandard, regional; incorrect, nongrammatical, substandard, uneducated, ungrammatical, unlearned; slang, slangy Near Antonyms standard, undialectical; correct, educated, genteel, grammatical, proper Antonyms bookish, formal, learned, literary

2 having the style and content of everyday conversation a colloquial essay on what makes a marriage successful Synonyms chattery, chatty, conversational, dishy, gossipy, newsyRelated Words casual, familiar, informal, intimate, tell-all; digressive, discursive, rambling; communicative, expansive, garrulous, talkativeNear Antonyms ceremonious, dignified, elevated, formal, solemn, statelyAntonyms bookish, literary