Definition of pepperish in US English:

pepperish

adjective

  • Resembling or redolent of pepper; peppery. Also figurative: irritable, testy, angry.

Origin

Early 17th century. From pepper + -ish. Compare earlier peppered, peppering, peppery.

Pronunciation

pepperish

/ˈpɛp(ə)rɪʃ/