Ill-natured means unkind and sour in temper. An ill-natured remark.
It is old-fashioned and appears more in novels than in speech. An ill-natured comment costs the person who makes it more than the target.
1adjectiveill-naturedUnkind and sour in temper.
“The ill-natured review said more about the reviewer.”
ill-natured is a quality.