Definition of monkey business Monkey business

mon•key busi•ness

We found 4 definitions of monkey business from 2 different sources.

What does monkey business mean?

Noun
monkey business - mischievous or deceitful behavior

= synonym
= antonym
= related word

monkey business (Noun)
Wasting time, or effort, on some foolish project.
monkey business (Noun)
An activity that is considered silly, or stupid, or time-wasting.
monkey business (Noun)
An activity that may be considered illegal, questionable, or a vice, but not felonious.