Unisexual

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An organism which is unisexual.

    "Populations of ambystomatid salamanders on Middle Bass and North Bass Islands in the western basin of Lake Erie consist largely of female unisexuals. On both islands, diploid unisexuals are more abundant than triploid ..."

Adjective
  1. 1
    Of an organism, having characteristics of a single sex (as opposed to hermaphrodites). not-comparable

    "Most animals are unisexual."

  2. 2
    Of a species, having only a single (potentially hermaphroditic) sex (as opposed to bisexual). not-comparable

    "The second line of inquiry has to do with the ultimate fate of unisexual species. Are they doomed to more rapid extinction than bisexual species? On the assumption that unisexual populations lack genetic variation, most theoretical studies […]"

  3. 3
    Unisex; suitable for any sex or gender. not-comparable

    "You may not be familiar with the name or it could be a unisexual name, and some women and men may have first names that are more traditional for the opposite gender."

Adjective
  1. 1
    relating to only one sex or having only one type of sexual organ; not hermaphroditic wordnet

Example

More examples

"The second line of inquiry has to do with the ultimate fate of unisexual species. Are they doomed to more rapid extinction than bisexual species? On the assumption that unisexual populations lack genetic variation, most theoretical studies […]"

Etymology

From uni- + sexual.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.