-To discriminate(openly or privately) based on gender,
- Attitudes, conditions, or behaviors that promote stereotyping of social roles based on gender.
Urban dictionary is a great example of sexist attitudes and phrases used in culture today.
by thend January 18, 2008
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Someone who practices discrimination based on gender. Can also be used to describe a thing, like a policy or a rule, that discriminates based upon gender.

(Sexists are not gay. (I am not saying gay people cannot be sexist. I am saying that sexists are not gay as a general rule.) If you say that it makes you a homophobe, which is not that different from sexism (in some cases no different), and no better.)
"Men are sexist pigs"
"Women are sexist bitches"
"Sexists are gay"
by Bundle Of Sticks April 4, 2004
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All of the so-called definitions of feminism on urban dictionary.
"Women who want to be treated equal are cunts and all femi-nazis are hairy. Also they are meeeeaaan to me" is a sexist statement
by Kikim June 11, 2008
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A person who thinks that one gender is better or superior than the other. Often mistaken for feminism.
by meg February 19, 2005
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A person who thinks of their gender being superior to the other.
Us men are better because we are men. You women belong in the kitchen!
by pnksktlz September 20, 2003
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1. (adj) A behavior utilizing privilege & power based on their gender to in some way oppress the non-dominant gender. Because "men" and "women" are the two most-acknowleged genders, and men are currently the dominant group, sexism is currently used against women. Were the societal roles reversed, women could use sexism against men, but currently they cannot. They can, however "discriminate unfairly" but without the privilege and power to back it up, this behavior cannot be termed sexism.

2. (n) A person exemplifying sexist behavior.
by eyeyey March 17, 2005
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