Synonyms of nastiness in English:

nastiness


See US English definition of nastiness

See UK English definition of nastiness

See Spanish definition of maldad

noun

1‘my mother tried to shut herself off from reality and from nastiness’

SYNONYMS
unpleasantness, disagreeableness, offensiveness, vileness, foulness, unsavouriness, ugliness, squalor, filthiness, filth, pollution
ANTONYMS

niceness, pleasantness

2‘he was bewildered by her uncharacteristic nastiness’

SYNONYMS
unkindness, unpleasantness, unfriendliness, disagreeableness, hostility, rudeness, churlishness, spite, spitefulness, malice, maliciousness, meanness, mean-spiritedness, ill temper, ill nature, bad temper, bad-temperedness, viciousness, ill humour, malevolence, venom, venomousness, malignancy, cantankerousness, cruelty, abusiveness
informal bitchiness, cattiness
ANTONYMS

niceness, kindness

3‘for some real nastiness this week, you had to watch ‘The Sex Hunters’’

SYNONYMS
obscenity, indecency, offensiveness, impropriety, indelicacy, crudity, vulgarity, grossness, pornography, smuttiness, smut, salaciousness, lewdness, licentiousness