Definition of naice in English:

naice

(also nace)

Pronunciation /neɪs/

adjective

derogatory
  • Genteel, over-refined, or affected, in a manner supposed to be characteristic of or agreeable to the English upper classes.

Origin

Early 20th century; earliest use found in H. G. Wells (1866–1946), novelist and social commentator. Representing a supposed English upper-class pronunciation of nice.