/ Dictionary / Index M mannerly: Meaning and Definition of Find definitions for: man•ner•ly Pronunciation: (man'ur-lē), [key] — adj. having or showing good manners; courteous; polite. —adv. with good manners; courteously; politely. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mannerly (Thesaurus) mannerless manner of articulation Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language