- US Canadian informal a person who has committed a crime
WordReference Random House Unabridged Dictionary of American English © 2026
perp
(pûrp),USA pronunciation n. [Police Slang.]
perp.,
- Slang Termsthe perpetrator of a crime.
perp.,
- Mathematicsperpendicular.
Collins Concise English Dictionary © HarperCollins Publishers::
perp /pɜːp/ n
'perp' also found in these entries (note: many are not synonyms or translations):