American English

Definition of monkey noun from the Oxford Advanced American Dictionary



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  1. 1an animal with a long tail, that climbs trees and lives in hot countries. There are several types of monkeys and they are related to apes and humans.
  2. 2(informal) a child who is active and likes playing tricks on people Come here, you little monkey!
  3. Idioms
    make a monkey (out) of somebody
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    to make someone seem stupid
See the Oxford Advanced Learner's Dictionary entry: monkey