たちが悪い · i-adjective
| Form | Positive | Negative |
|---|---|---|
| Dictionary | たちが悪い | たちが悪くない |
| Polite | たちが悪いです | たちが悪くないですalso たちが悪くありません |
| Past polite | たちが悪かったです | たちが悪くなかったですalso たちが悪くありませんでした |
| Past | たちが悪かった | たちが悪くなかった |
| Te-form | たちが悪くて | たちが悪くなくて |
| Adverbial | たちが悪く | |
| Conditional | たちが悪ければ | たちが悪くなければ |
| Tara conditional | たちが悪かったら | たちが悪くなかったら |
nasty; ill-natured; vicious; of bad character
Describes a person, behavior, or situation that is fundamentally unpleasant, mean-spirited, or troublesome. Often implies a deep-seated bad quality rather than a temporary mood.
Antonyms: たちがいい
That person is nasty, so you'd better not get too involved.
This cold is a nasty one and just won't go away.
Means 'mean-spirited' or 'malicious', often for deliberate unkindness. たちが悪い is broader, covering inherent bad nature or troublesome quality.
good-natured; of good character
Most common kana spelling; the kanji 悪い is standard.
Katakana variant sometimes used for emphasis or in casual writing.
Kanji spelling using 質; less common but still encountered.
Explicit kanji spelling with 性質; rare and somewhat redundant.
The phrase combines たち (nature, disposition) with 悪い (bad). The exact origin of たち is uncertain, but it is used in expressions like たちがいい and たちが悪い to describe inherent character.