[ yoo-nuh-sek-shoo-uh l ]
/ ˌyu nəˈsɛk ʃu əl /


of or relating to one sex only.
having only male or female organs in one individual, as an animal or a flower.

Origin of unisexual

First recorded in 1795–1805; uni- + sexual

Related forms

u·ni·sex·u·al·i·ty, nounu·ni·sex·u·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unisexual

British Dictionary definitions for unisexual


/ (ˌjuːnɪˈsɛksjʊəl) /


of or relating to one sex only
(of some organisms) having either male or female reproductive organs but not both

Derived Forms

unisexuality, noununisexually, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for unisexual


[ yōō′nĭ-sĕkshōō-əl ]

Having the sex organs of only one sex; not hermaphroditic. Used of organisms.
Having stamens and pistils in separate flowers borne on the same plant; diclinous. Used of flowers.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.