Synonyms and Antonyms of pestilent
1
capable of being passed by physical contact from one person to another
- proper hand washing will help prevent the spread of most pestilent diseases
2
causing annoyance
- pestilent reporters hounding him night and day
abrasive, aggravating, annoying, bothersome, carking, chafing, disturbing, exasperating, frustrating, galling, irksome, irritating, maddening, nettlesome, nettling, peeving, pesky, pestiferous, pestilential, pesty, plaguey (also plaguy), rankling, rebarbative, riling, vexatious, vexing
burdensome, discomforting, displeasing, disquieting, distressing, importunate, importune, inconveniencing
angering, enraging, infuriating
brattish, bratty, mischievous, offensive, troublesome, upsetting
distractive, painful, stressful, tiresome, troubling, trying, worrisome
biting, grating, jangling, jarring, spiny, thorny
3
likely to cause or capable of causing death
- pestilent diseases such as bubonic plague and smallpox
baleful, deadly, deathly, fatal, fell, killer, lethal, mortal, murderous, terminal, vital
baneful, deleterious, destructive, harmful, injurious, noxious, pernicious, truculent
infectious, infective, pestilential, poisonous, sublethal, toxic, virulent
dangerous, grave, grievous, hazardous, jeopardizing, menacing, parlous, perilous, risky, serious, threatening, ugly, unhealthy, unsound
bloody, internecine, sanguinary, sanguine
beneficial, restorative, salubrious, salutary
alleviative, corrective, curative, remedial, tonic
advantageous, beneficial, useful
nonpoisonous, nontoxic, safe