/ Dictionary / Index O one-on-one: Meaning and Definition of Find definitions for: one-on-one Pronunciation: (wun'on-wun', -ôn-), [key] — adj. consisting of or involving direct individual competition, confrontation, or communication; person-to-person: a one-on-one discussion. —adv. in direct encounter: I'd rather settle this with her one-on-one. to play directly against (an opposing player). —n. a meeting or confrontation between two persons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: one-on-one (Thesaurus) one-one Oneonta Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language