Ill-qualified is a term used to describe someone who lacks the necessary skills or knowledge to do a particular job or task effectively. There are several synonyms for this term, some of which include unqualified, incompetent, inexperienced, inadequate, and unfit. Other synonyms for ill-qualified could also be poorly trained, unskilled, unsuited, inept, and incapable. All these words essentially convey the same meaning and are perfect synonyms for ill-qualified. Whenever you come across someone who is not competent enough to do something, you can use any of these synonyms and get your point across.