Simple Definition of perp

from our Learner's Dictionary

perp

noun

ˈpɚp How to pronounce perp (audio)
plural perps
US slang : a person who commits a crime or does something wrong
The victim wasn't able to identify the perp. [=perpetrator]

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“Perp.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/perp. Accessed 20 Jun. 2026.

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