1829, as a term in biology, "having no sex or sexual system," a hybrid from a- (3) "not" + sexual. In general contexts, "wanting sexuality, being of or referring to neither sex," attested from 1896.
asexual reproduction
an asexual spore
ASEAN
aseismic
aseity
asepsis
aseptic
asexual
asexuality
asexually
Asgard
ash
ashamed
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