/ Dictionary / Index U unilingual: Meaning and Definition of Find definitions for: u•ni•lin•gual Pronunciation: (y"nu-ling'gwul or, Can., -ling'gy-ul), [key] — adj. using only one language: a unilingual book. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unilinear unillusioned Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language