Reverse Dictionary: CROOKED (dishonest)

ADJECTIVES
M19. SHYSTER crooked, corrupt; fraudulent US sl.
1850SINUOUS morally crooked; deviating from the right; not straightforward or direct 
1903 KINKY crooked, dishonest, criminal → Amer. criminals’ sl.
1904 OUT OF THE STRAIGHT crooked, dishonest sl. (Bk.)
1914 BENT crooked, larcenous → criminals’ sl. (Bk.)
1919 WONKY crooked Brit. sl.
M20. LEFT-HANDED crooked, phony, or counterfeit US colloq.


ADVERBS
1863ON THE BEND crookedly, by means that are not straightforward