catty
adjective
informal
that was a catty remark—she's not a bad sort:
spiteful, malicious, mean, nasty, cruel, unkind, snide, backbiting, hurtful, wounding, barbed, cutting, hateful, ill-natured, bitter, venomous, vitriolic, poisonous, acid, hostile, rancorous, vindictive, vicious;
defamatory, slanderous;
informal bitchy;
literary malefic, maleficent.
▷antonyms kind, complimentary.