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1.
Discrimination towards people of a different height, usually against people at the extremes of the height range, i.e: Extremely tall people or extremely short people.

Similar to racism but concerning height, not race.

To be sizeist is to be discriminatory in relation to height.

Same as sizism
Jack: I hate that guy, he's freakishly tall!
Jill: Don't be so sizeist!

Activist: Sizeism is wrong. Height should not be an important factor in judging a person.
by mewslee37 April 30, 2008