/ Dictionary / Index U unsonsy: Meaning and Definition of Find definitions for: un•son•sy Pronunciation: (un-son'sē), [key] — adj. Brit. Dial. bringing or boding ill luck. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unsolder unsophisticated Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language