Definition of pesterous in US English:

pesterous

adjective

Regional
  • That pesters; having the quality of pestering; cumbersome, troublesome, bothersome.

Origin

Mid 16th century; earliest use found in Nicholas Udall (1504–1556), schoolmaster and playwright. From pester + -ous.

Pronunciation

pesterous

/ˈpɛst(ə)rəs/