Nounidiot; moron; fool · stupid; foolish; dull; absurd; ridiculous · trivial; insignificant; disappointing

NounMoscow (Russia)

I-adjective (keiyoushi)absurd; ridiculous; silly; ludicrous; nonsensical; asinine; foolish

Adverb (fukushi)must not; may not

Suffixmust not; do not