noun

the hooked staff of a shepherd.

seizing his crook from behind the door, he set off to call his dogs

verb

bend (something, especially a finger as a signal).

he crooked a finger for the waitress

cock,flex,bend,curve,curl,angle,hook,bow

adjective

bad, unpleasant, or unsatisfactory.

it was pretty crook on the land in the early 1970s