ill-natured

Someone who's ill-natured is cranky and disagreeable. Most fairy tales have at least one ill-natured antagonist, an evil stepmother or a ferocious ogre.

Mean and nasty people are sometimes just plain ill-natured — it's not in their nature to be generous and cheerful. Your ill-natured cat probably scratches anyone who tries to pet her. Bad kitty. This unfriendly adjective combines ill-, "badly" or "not well," with natured, from nature and its "innate disposition" meaning. The Latin root is natura, "natural character or quality."

Definitions of ill-natured
1

adj having an irritable and unpleasant disposition

Synonyms:
atrabilious, bilious, dyspeptic, liverish
irritable as if suffering from indigestion
bristly, prickly, splenetic, waspish
very irritable
cantankerous, crotchety, ornery
having a difficult and contrary disposition
choleric, hot-tempered, hotheaded, irascible, quick-tempered, short-tempered
quickly aroused to anger
churlish
having a bad disposition; surly
bad-tempered, crabbed, crabby, cross, fussy, grouchy, grumpy, ill-tempered
annoyed and irritable
cranky, fractious, irritable, nettlesome, peckish, peevish, pettish, petulant, scratchy, techy, testy, tetchy
easily irritated or annoyed
crusty, curmudgeonly, gruff, ill-humored, ill-humoured
brusque and surly and forbidding
currish
resembling a cur; snarling and rude
dark, dour, glowering, glum, moody, morose, saturnine, sour, sullen
showing a brooding ill humor
disagreeable
unpleasant to interact with
huffish, sulky
sullen or moody
misanthropic, misanthropical
hating mankind in general
misogynistic, misogynous
hating women in particular
shirty, snorty
(British informal) ill-tempered or annoyed
nagging, shrewish
continually complaining or faultfinding
snappish, snappy
apt to speak irritably
spoiled, spoilt
having the character or disposition harmed by pampering or oversolicitous attention
surly, ugly
inclined to anger or bad feelings with overtones of menace
vinegarish, vinegary
having a sour disposition; ill-tempered
unpleasant
disagreeable to the senses, to the mind, or feelings
Antonyms:
good-natured
having an easygoing and cheerful disposition
agreeable
conforming to your own liking or feelings or nature
amiable, good-humored, good-humoured
disposed to please
equable, even-tempered, good-tempered, placid
not easily irritated
kind
having or showing a tender and considerate and helpful nature; used especially of persons and their behavior
pleasant
affording pleasure; being in harmony with your taste or likings
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