- The definition of a monkey suit is a slang expression that is defined as a uniform or a man's dress suit.
An example of a monkey suit is an outfit that a person must wear to work every day, much like the suits worn by the monkeys owned by organ-grinders.
- a uniform
- a man's dress suit
Origin of monkey suitsee monkey jacket
(plural monkey suits)
- man's formal suit worn in the evening; tuxedo
- (humorous) uniform