/ Dictionary / Index O one-star: Meaning and Definition of Find definitions for: one-star Pronunciation: (wun'stär'), [key] — adj. of or being a brigadier general, as indicated by one star on an insignia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. one-spot one-step Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language