Definition of nidiot in US English:

nidiot

(also nideot, nidyed)

noun

humorous
  • An idiot, a fool.

Origin

Mid 16th century; earliest use found in Thomas More (1478–1535), lord chancellor, humanist, and martyr. Variant of idiot [adjective], with metanalysis.

Pronunciation

nidiot

/ˈnɪdɪət/