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idiotize

transitive verb
id·​i·​ot·​ize | \ -ətˌīz, -əˌtīz\
-ed/-ing/-s

Definition of idiotize

: to make a fool of : cause to become or behave like an idiot

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First Known Use of idiotize

1775, in the meaning defined above

History and Etymology for idiotize

idiot entry 1 + -ize

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The first known use of idiotize was in 1775

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