sizeism

noun

size·​ism ˈsī-(ˌ)zi-zəm 

: discrimination or prejudice directed against people because of their size and especially because of their weight

… this is one way to dismantle the power difference society's privileges grant us through such institutions as racism or classism or ageism or sizeism.

—Sarah Lucia Hoagland

… Hollywood horror stories about sizeism abound. Carrie Fisher said in 2015 that she had been pressured to lose 35 pounds before appearing in "Star Wars: The Force Awakens."

—Brooks Barnes

sizeist

ˈsī-zist 

adjective

sizeist comments

With pointed punchlines ranging from racist … to sizeist, to sexist, the actor consistently crosses the line without regret.

—The Valley Breeze & Observer (Smithfield, Rhode Island)

sizeist noun

plural sizeists

Only sizeists would assume that because she is thin she must now be happy.

—Andrew Billen

Word History

First Known Use

1971, in the meaning defined above