[ sing-guhl-seks ]

  1. designated for, pertaining to, or serving only males or only females: a single-sex college.

Origin of single-sex

First recorded in 1935–40

Words Nearby single-sex Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use single-sex in a sentence

  • The single-sex chromosome which males possess invariably comes from the mother.

    Physiology | Ernest G. Martin
  • From this generation by a single sex, there spring, two months later, males and females.

    Bramble-bees and Others | J. Henri Fabre

British Dictionary definitions for single-sex


  1. (of schools, etc) admitting members of one sex only; not coeducational

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