Adjective
Of habitual bad temper; peevish; fractious; cross; crabbed; surly; as, an ill-natured person.
Dictated by, or indicating, ill nature; spiteful.
Intractable; not yielding to culture.
Source: Webster's dictionaryKindness is not without its rocks ahead. People are apt to put it down to an easy temper and seldom recognize it as the secret striving of a generous nature; whilst, on the other hand, the ill-natured get credit for all the evil they refrain from. Honoré de Balzac
When you see anyone complaining of such and such a person's ill-nature and bad temper, know that the complainant is bad-tempered, forasmuch as he speaks ill of that bad-tempered person, because he alone is good-tempered who is quietly forbearing towards the bad-tempered and ill-natured. Rumi
From this amphibious ill-born mob began That vain, ill-natured thing, an Englishman. Daniel Defoe
Cease your jests, there is no joke in being ill-natured. Latin Proverb
Even ill-natured cows give milk. German Proverb
An inquisitive man is always ill-natured. Latin Proverb