/ Dictionary / Index O one-track: Meaning and Definition of Find definitions for: one-track Pronunciation: (wun'trak"), [key] — adj. having only one track. unable or unwilling to cope with more than one idea, action, etc., at a time; narrow: a one-track mind. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. one-to-one Onetti Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language