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 (no͞o′tər, nyo͞o′-)
1. Grammar
a. Neither masculine nor feminine in gender.
b. Neither active nor passive; intransitive. Used of verbs.
2. Biology
a. Having undeveloped or nonfunctional sexual organs: the neuter caste in social insects.
b. Having pistils and stamens that are nonfunctional or absent.
3. Castrated or spayed. Used of animals.
4. Androgynous or asexual.
5. Archaic Taking no side in a dispute; neutral.
1. Grammar
a. The neuter gender.
b. A neuter word.
c. A neuter noun.
2. An androgynous or asexual person.
3. A castrated animal.
4. An insect that has undeveloped or nonfunctional sexual organs, such as a worker bee.
5. Archaic One that is neutral in a dispute.
tr.v. neu·tered, neu·ter·ing, neu·ters
1. To castrate or spay.
2. To render ineffective or powerless: a scandal that neutered the politician.

[Middle English neutre, from Old French, from Latin neuter, neither, neuter : ne-, not; see ne in Indo-European roots + uter, either; see kwo- in Indo-European roots.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.neutered - having testicles or ovaries removedneutered - having testicles or ovaries removed
castrated, unsexed - deprived of sexual capacity or sexual attributes
References in periodicals archive ?
I FIRMLY believes that getting your cat neutered before it can breed is an essential part of responsible cat ownership.
For example, Albuquerque charges $6 a year for a dog or cat license, but SI 50 for these animals if they are not spayed or neutered.
The priority now is ensuring these cats can continue to live happy and healthy outdoor lives by having them neutered.
To date the organization has spayed and neutered over 38,500 cats, preventing the births of hundreds of thousands of unwanted cats in Denver and surrounding areas.
Both cats and dogs that are spayed or neutered have reduced incidents of certain cancers, reduced incidents of certain life-threading diseases and reduces their desire to roam.
Dogs can live longer if they're neutered before one year of age.
Twelve feral kittens were rehomed, seven cats were either pets or had been neutered previously and two were possible wildcats that were released without neutering.
Summary: The dogs have not been neutered, vaccinated or microchipped
This is often so they can ensure that cats are neutered before they are rehomed.
Researchers examined veterinary hospital records of 1,170 intact and neutered and spayed GSDs for joint disorders and cancers previously associated with neutering over a 14 1/2 period to find.
For a responsibly owned female cat with no male contact, I see no benefits to neutering any earlier as the cat should not be roaming outside until it is vaccinated, microchipped and neutered.
The ads, shot by photographer Roy Macam, feature actor Daniel Matsunaga with neutered dog Sumo and model Vanessa Matsunaga with spayed poodle Carly.