neuter

[1]	desex/desexualize , alter , spay , doctor , castrate , castrate , emasculate , geld , capon/caponize , eunuchize , spay , ovariectomize , oophorectomize , (Colloq) fix , cut , (US) alter

adj.

[1]	asexual , sexless , epicene
[2]	sexless