Definition of act dumb
- If anybody asks you where I am, act dumb.
: the doing of a thing : deed
: something done voluntarily
: the process of doing something : action
: to take action : move
: to conduct oneself : behave
: to perform on the stage
used for a standardized achievement test to evaluate suitability for college admission
: lacking the human power of speech
: lacking the ability to speak
: temporarily unable to speak (as from shock or astonishment)
: to make silent : deaden
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