What's the noun for neutered? Here's the word you're looking for.
neuter
(biology) An organism, either vegetable or animal, which at its maturity has no generativeorgans, or but imperfectly developed ones, as a plant without stamens or pistils, as the garden Hydrangea; especially, one of the imperfectly developed females of certain social insects, as of the ant and the common honeybee, which perform the labors of the community, and are called workers.
A person who takes no part in a contest; someone remaining neutral.
