Dog-eared and Ill-formed

Dog-eared adjective - Showing signs of advanced wear and tear and neglect.

Ill-formed and dog-eared are semantically related. In some cases you can use "Ill-formed" instead an adjective phrase "Dog-eared".

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

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