Synonyms of pestilential in English:

pestilential


See US English definition of pestilential

See UK English definition of pestilential

See Spanish definition of pesado

adjective

1‘pestilential fever’

SYNONYMS
plague-like, contagious, communicable, epidemic, pestilent, dangerous, injurious, harmful, destructive, virulent, pernicious
toxic, venomous
malign, fatal, deadly
informal catching
literary pestiferous

2‘what a pestilential man!’

SYNONYMS
annoying, irritating, infuriating, exasperating, maddening, troublesome, bothersome, tiresome, irksome, vexing, vexatious
informal aggravating, pesky, infernal, pestiferous, plaguy, pestilent