Down at heel and Ill-formed

Ill-formed and down at heel are semantically related. In some cases you can use "Ill-formed" instead an adjective phrase "Down at heel".

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

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