Found 2 items, similar to ill-formed.
English → English (WordNet) Definition: ill-formed ill-formed adj : not grammatical; not conforming to the rules of grammar or accepted usage [syn: ungrammatical] [ant: grammatical]
English → English (gcide) Definition: ill-formed ill-formed \ill-formed\ adj. 1. (Grammar) not grammatical; ungrammatical; not conforming to the rules of grammar or accepted usage. Opposite of grammatical. Syn: ungrammatical. [WordNet 1.5]