ill-formed
- a not grammatical; not conforming to the rules of grammar or accepted usage
- Although his performance early in the case was erratic and ill-formed, Dinis promises an aggressive pursuit at the inquest.
- For 16 months, he recorded conversations with the men, some of which included vague allusions to jihad and an ill-formed plan to attack the Fort Dix military base.
- For Negroes, he says, "the word wait' has been a tranquilizing Thalidomide," giving "birth to an ill-formed infant of frustration.