Definition of quisquilious in US English:

quisquilious

adjective

rare
  • = quisquilian.

Origin

Early 19th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From classical Latin quisquiliae + -ous. Compare post-classical Latin quisquiliosus concerned with worthless things.

Pronunciation

quisquilious

/kwɪsˈkwɪlɪəs/