くそ

くそ
interjection, prefix
damn, crap; damn (intensifier)
vulgarspokenslangcolloquialemotion
1. damn!, crap!, shit!
An expletive expressing frustration, anger, or disappointment.
くそ、また失敗(しっぱい)した。
Damn, I failed again.
くそっ！間(ま)に合(あ)わなかった。
Crap! I didn't make it in time.
くそっ is a variant with a glottal stop for emphasis
くそ、電車(でんしゃ)が行(い)っちゃった。次(つぎ)は十分後(じゅっぷんご)か。
Damn, the train just left. The next one's in ten minutes.
2. damn, freaking (intensifying prefix)
Used as a prefix before nouns or adjectives to add strong negative emphasis, similar to English 'damn' or 'freaking.'
くそ暑(あつ)い。
It's damn hot.
あのくそゲーム、時間(じかん)の無駄(むだ)だった。
That crappy game was a waste of time.
くそゲー (kusoge) is common gaming slang
くそ真面目(まじめ)な性格(せいかく)だから、冗談(じょうだん)が通(つう)じない。
He has a dead-serious personality, so jokes don't land with him.
くそ真面目(まじめ) is a set compound meaning extremely earnest

Register

くそ is vulgar language. While widely used in casual speech, it should be avoided in polite or formal contexts.

As a prefix (sense 2), くそ intensifies the following word negatively:

Usage

The literal meaning is "excrement," but as an expletive and prefix, it functions like English "damn" or "freaking." The kanji form is 糞(くそ).

Related Words

Compare: 糞(ふん) (dung)
Compare: ちぇっ (tch, tsk, darn)
general
Added 2026.2.10 9:31 · Revised 2026.10.19 11:14
10500/10783_kuso