n. 25B6; noun NASTINESS, unpleasantness, disagreeableness, cruelty, malice, meanness, mean-spiritedness, viciousness, callousness, hard-heartedness, cold-heartedness; unfriendliness, inconsiderateness, hostility; informal bitchiness, cattiness.
UNKINDNESS
Meaning of UNKINDNESS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012