Definition of pyrrhonize in English:

pyrrhonize

Pronunciation /ˈpɪrənʌɪz/

verb

rare
  • To practise Pyrrhonism; to doubt; to be sceptical.

Origin

Early 17th century; earliest use found in John Florio (1553–1625), author and teacher of languages. From classical Latin Pyrrhōn-, Pyrrhō + -ize, after Middle French, French pyrrhoniser.