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Also found in: Thesaurus.


 (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:
Noun1.neutering - the sterilization of an animalneutering - the sterilization of an animal; "they took him to the vet for neutering"
sterilisation, sterilization - the act of making an organism barren or infertile (unable to reproduce)
castration, emasculation - neutering a male animal by removing the testicles
spaying - neutering a female by removing the ovaries
References in periodicals archive ?
com)-- Affordable spay/neuter clinic is moving to a new, larger location in Commerce City.
In my 38 years of practice, I have witnessed the passing of the spay/neuter baton from individual practitioners to humane society clinics and contract vets, removing the decision of when, or even if, the animal is neutered from the owner and his or her private vet.
February is National Spay/Neuter Awareness Month and Cook County Animal and Rabies Control and The Anti-Cruelty Society have teamed up to promote the importance of spaying/neutering pets.
The purpose of these grants is to offer spay/neuter services at the county level.
Crauer is responsible for overseeing a shelter medicine program at WVHS, with a strong emphasis on spay/neuter surgery.
Simply delaying the spay/neuter until the dog is a year old can markedly reduce the chance of a joint disorder.
Calgary realtor Heather Waddell is matching donations to the Alberta Spay/Neuter Task Force up to $25,000 until Feb.
PetSmart Charities' "Happy Neuter Year'' campaign provides more than $713,624 to spay/neuter clinics to fund affordable, high-quality spay and neuter surgeries for 16,585 male dogs and cats across the nation during January.
Spay/Neuter Special - Willamette Animal Guild will offer a July spay/neuter special of $10 for owned Springfield cats and free for Springfield feral cats; for appointment, call 541-345-3566 and say "Springfield Independence Spay.
26, as part of the Humane Society of the United States (HSUS) World Spay/Neuter Day , MN SNAP will join forces with Minneapolis Animal Care and Control (MACC) to spay and neuter companion animals of low-income pet owners.
But the details regarding when I want spay/neuter surgery done on my puppies have changed, and likely will continue to evolve.
Beat the Heat Spay/Neuter Week, held February 21 to 25, was the first project of the newly formed Southeast Florida Region Spay/Neuter Coalition.