dumb down

verb
dumbed down; dumbing down; dumbs down

Definition of dumb down

transitive verb

: to lower the level of difficulty and the intellectual content of (something, such as a textbook) also : to lower the general level of intelligence in the dumbing down of society

First Known Use of dumb down

1933, in the meaning defined above

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The first known use of dumb down was in 1933

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