Definition of pessimize in English:

pessimize

(also pessimise)

verb

  • with object To take a negative view of; to utter pessimistically, make the worst of. Also without object: to act or speak in a pessimistic manner.

Origin

Mid 19th century; earliest use found in The Daily Telegraph. From classical Latin pessimus worst + -ize, after optimize.

Pronunciation

pessimize

/ˈpɛsɪmʌɪz/