/ Dictionary / Index U unmannerly: Meaning and Definition of Find definitions for: un•man•ner•ly Pronunciation: (un-man'ur-lē), [key] — adj. not mannerly; impolite; discourteous; coarse. —adv. with ill manners. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unmannerly (Thesaurus) unmannered unmarked Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language