Definition of picayunish in US English:

picayunish

(also picayuneish)

adjective

North American
  • Somewhat picayune; insignificant, trifling, petty, mean.

Origin

Mid 19th century; earliest use found in Wisconsin Express. From picayune + -ish.

Pronunciation

picayunish

/ˌpɪkəˈjuːnɪʃ/