bad actor

noun
1.
a mean, ill-tempered, troublemaking, or evil person.
2.
a vicious animal.
3.
an inveterate criminal.
Origin
1940-45
Examples from the web for bad actor
  • Having tests performed by an independent third party might prevent a bad actor from gaming the system.
  • As too many of our enforcement cases demonstrate, even a single bad actor can easily cost customers and firms millions of dollars.
  • There is always the fear that a jury will convict the defendant solely because he is a bad actor.
  • Every time a bad actor produces tainted food, your entire industry suffers.
  • The staff drastically reduced the scope of relay chatter evaluation, retaining only the identification of bad actor relays.
  • It is a known toxin for adults, but appears to be a particularly bad actor in the developing brain.
  • Let's suppose that you had a bad actor, a bad contractor.
Slang definitions & phrases for bad actor

bad actor

noun phrase
  1. A malicious or deceitful person
  2. A habitual criminal
  3. A vicious animal (1900+)