Synonyms and Antonyms of pestilential
- these pestilential little mosquitoes!
abrasive, aggravating, annoying, bothersome, carking, chafing, disturbing, exasperating, frustrating, galling, irksome, irritating, maddening, nettlesome, nettling, peeving, pesky, pestiferous, pestilent, pesty, plaguey (also plaguy), rankling, rebarbative, riling, vexatious, vexing