Answer:

neutered

Answer	Crossword Clue
NEUTERED	Gelded
NEUTERED	Spayed
NEUTERED	Sterilized

NEUTERED	Did a vet's job
NEUTERED	Kept from reproducing, as a pet
NEUTERED	Unable to bear anymore?
NEUTERED	Incapable of littering
NEUTERED	Made unbearable?
NEUTERED	Fixed by a vet
NEUTERED	Fixed, as Fido