Crook
Definition 1 of 5
Pro Tip 1/3
Negative Connotation
When calling someone a 'crook', it insinuates they're untrustworthy and possibly involved in illegal activities. Keep an eye on your wallet around him; he's a known crook.
Pro Tip 2/3
Informal Usage
'Crook' as a term for a criminal is informal and may be disrespectful in certain contexts. The kids in the neighborhood said the crook was hiding out in the abandoned house.
Pro Tip 3/3
Not for Minor Offenses
Use 'crook' for serious dishonesty or crimes, not for minor rule-breaking or mischief. He didn't just lie on his taxes, he embezzled money. That guy's a real crook.