Trans-Exclusionary Radical Feminist. That group of feminists that claims that trans women aren't really women, as biological determinism is only a fallacy when it used against them, not when they use it against others.
Isn't it mindboggling that the Royal College of Psychiatrists would invite a TERF like Julie Bindel to come talk at a study day on transgenderism and transsexuality? That's like inviting Fred Phelps to come deliver the keynote at a gay pride.
by zmas March 15, 2011
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Trans-Exlusionary Radical Feminist. Originally just named radical feminism. The basis of radical feminism is that gender is a social construct forced upon people at birth and are roles specifically designed to keep women subordinate to men (masculinity vs.feminity). Men, Trans activist, and liberal feminist use the term "TERF" because the principle of radical feminism cannot coexist with gender/trans ideology
Radical Feminists are inappropriately named TERFS to silence any female centered discussion
by Ghostglitter December 20, 2016
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Trans-Exclusionary Radical Feminist. Feminists who think that trans women aren’t women, and are a threat to women’s rights.

See Also: J.K. Rowling
Me: Hey Jenna, what’s a TERF?

Jenna: Read J.K. Rowling’s latest tweets.

Me: ***reads tweets*** Ah... that makes sense! She says “No Trans Rights!”
by FegelFatso June 18, 2020
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Terf stands for trans exclusionary radical feminist/feminism, that describes self proclaimed feminists that go against trans and non bianry people.
Terf: I am an adult human female, these trans women want to take my rights!
Other person: trans women dont want to take your rights, they want to exist, terf.
by jazz161 November 13, 2021
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A slur directed towards:

1. Anyone that questions gender identity's doctrine.

2. Lesbians who refuse transwomen as sexual partners.

3. Gay men who refuse transmen as sexual partners.

4. Females who want female-only spaces fearing a sexual assault.

5. Anyone who calls vagina a "female's organ" .

6. Anyone who calls dick a "male organ".

7. Anyone who claims that female or male's biology exists.

8. Anyone who think that women's oppression is based on their body and reproductive function rather than their "gender's identity".

9. Everyone who don't believe that gendered souls/brains exist.

10. Everyone who question murder/rape/attack solely based on "misgendering" .
"If i had the opportunity to beat a TERF to death with a baseball bat w/o repercussions I'd be sure i'll break it's legs first and work my way up"
by Mimimim January 13, 2020
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A lable used by transactivists to silence feminists who don't struggle against biological reality and who, thus, acklowledge the basic fact that a man is a man and a woman is a woman.
Women have the right not to refer to cross-dressing men as "women", and nobody should be disingenuously labeled as "TERF" for refusing to accept what is obviously mistaken. Freedom of expression is a basic right.
by synergyzer07 May 04, 2018
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Trans Exclusionary Radical Feminist.

Feminists who live in the 19th century and do not recognize trans rights
- Trans women are not women. They are men wearing dresses
- You’re such a TERF. Go buy yourself a life at Walmart
by Mucca January 25, 2019
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