Common noun

idiot; moron; fool

Adjectival nouns or quasi-adjectives (keiyodoshi)

stupid; foolish; dull; absurd; ridiculous

Common noun; Adjectival nouns or quasi-adjectives (keiyodoshi)

trivial; insignificant; disappointing

Common noun; Adjectival nouns or quasi-adjectives (keiyodoshi)

malfunctioning; defective; losing sensation

Slang; Common noun; Noun, used as a prefix

incredibly; unusually; exceptionally

Slang; Common noun; Noun, used as a suffix; Adjectival nouns or quasi-adjectives (keiyodoshi); Usu. in compounds

fervent enthusiast; nut; person singularly obsessed with something

Abbreviation; Common noun

Mactra chinensis (species of trough shell)

to make fun of; to look down on; to make light of

deer (esp. the sika deer, Cervus nippon); cervid

Usu. 〜た/て

to be foolish; to be stupid; to be ridiculous

absurd; ridiculous; silly; ludicrous; nonsensical; asinine; foolish

foolish; idiotic; stupid; ridiculous; absurd

Expressions; Noun or verb acting prenominally

such a stupid ...; what a crazy ...

Word usually written using kana alone; Interjection

no way!; what nonsense!; how can that be?

Colloquial; Derogatory

goddamn idiot; moron; nitwit

absurd; foolish; stupid; silly; nonsense; ludicrous; preposterous; laughable; ridiculous

deer; fawn