ふん・糞fun[1]atamadaka (head-high)

1. nounfeces (esp. animal); excrement; dung
   俺おれは犬いぬのフンなんてかたづけたくない。↗

   I don't wanna clean up dog shit.

• SynonymくそCasualColloquial and childish: poop or anything dirty, as in 「ばばっちい」. The headword read 「ふん」 leans toward animal droppings.
• Synonym大便だいべんNeutralFormal medical term for stool; covers humans as well as animals, while the headword 「ふん」 mostly refers to animals.
• SynonymうんこCasualColloquial and the most common everyday word for poop; originally child language, now used by adults too.
• SynonymウンチCasualColloquial child language for poo; cuter and more euphemistic than 「うんこ」.
• Related汚穢おわいWrittenWritten/formal prose, somewhat old-fashioned: filth or excreta, as in 「汚穢屋」. More elegant than the headword.

Use 「糞（ふん）」 for animal droppings, as in 「鳩の糞」「犬の糞」; for humans say 「大便」. In casual speech 「うんこ」 or 「うんち」 is the everyday choice; the vulgar 「くそ」 is also written 「糞」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （フン）動物どうぶつの大便だいべん。