0 a very dishonest person, especially a criminal or a cheat: --
These politicians are just a bunch of crooks.
1 the inside part of your arm where it bends --
2 a long stick with a curved end, especially one carried by a shepherd or a bishop --
4 to bend your arm or finger: --
She delicately crooked her little finger as she picked up her cup.
5 a person who is dishonest, esp. someone who cheats or steals: --
She thinks all politicians are crooks.