Crooked and Ill-formed

Crooked adjective - Marked by a long series of irregular curves.

Ill-formed and crooked are semantically related. In some cases you can use "Ill-formed" instead an adjective "Crooked".

Nearby Words: crook, crookedness, crookedly, crooking

Ill-formed adjective - Not grammatical; not conforming to the rules of grammar or accepted usage.

Crooked and ill-formed are semantically related. Sometimes you can use "Crooked" instead an adjective phrase "Ill-formed".