Definition of plagueful in US English:

plagueful

adjective

  • Conveying or threatening plague or disease; pestilent. Also in weakened use: annoying, troublesome.

Origin

Late 16th century; earliest use found in Richard Carew (1555–1620), antiquary and poet. From plague + -ful.

Pronunciation

plagueful

/ˈpleɪɡf(ʊ)l/