depends on what sense you use it in:
dishonest, corrupt, criminal (if used in the sense of a person being "crooked"
but also: bent, warped, twisted (if used to describe a thing that isn't straight)
Twisted or curved are about the same meaning as crooked.
The word "bent" can be used to mean the same as "crooked" when describing something that is not straight or curved.
wry, rye
The antonym for crooked is straight.
Comparative: more crooked Superlative: most crooked
Take it out. Let it heal up. Go back to your same piercer in about 2 weeks and tell them they did it crooked, and have them pierce it again straight for free.
There Was a Crooked Man... was created in 1970.
not crooked = straight body of water = strait
crooked nose and crooked mouth
A synonym for "crooked" is "bent" or "curved."
Not straight, angular, bent, bowed, curved, winding, zigzag, askew, aslant, awry, deformed, disfigured, distorted, twisted, wry.
That's usually "palindrome for not crooked." The answer is "level."