sardonic

adjective

his sardonic wit:

mocking, satirical;

sarcastic, ironical, ironic, cynical, scornful, contemptuous, derisive, derisory, sneering, jeering, scoffing, taunting;

scathing, caustic, trenchant, mordant, cutting, sharp, stinging, acerbic, tart, acid;

wry, dry;

British, informal sarky;

rare mordacious, acidulous.

choose the right word	sardonic, sarcastic, ironic, caustic
See sarcastic.

sardonic Oxford Dictionary of English