/ Dictionary / Index U unisexual: Meaning and Definition of Find definitions for: u•ni•sex•u•al Pronunciation: (y"nu-sek'sh-ul), [key] — adj. of or pertaining to one sex only. having only male or female organs in one individual, as an animal or a flower. unisex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unisexual (Thesaurus) unisex unisize Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language