- The definition of a perpetrator is a person who commits an illegal or bad act.
An example of a perpetrator is a person who robs a bank.
Variant of perpetrate
- to do or perform (something evil, criminal, or offensive); be guilty of
- to commit (a blunder), impose (a hoax), etc.
Origin: ; from Classical Latin perpetratus, past participle of perpetrare, to commit, perpetrate, origin, originally , to bring about, achieve ; from per, thoroughly plush patrare, to effect, probably origin, originally a ritual term ; from pater, father, priest