タチ悪い · i-adjective
| Form | Positive | Negative |
|---|---|---|
| Dictionary | タチ悪い | タチ悪くない |
| Polite | タチ悪いです | タチ悪くないですalso タチ悪くありません |
| Past polite | タチ悪かったです | タチ悪くなかったですalso タチ悪くありませんでした |
| Past | タチ悪かった | タチ悪くなかった |
| Te-form | タチ悪くて | タチ悪くなくて |
| Adverbial | タチ悪く | |
| Conditional | タチ悪ければ | タチ悪くなければ |
| Tara conditional | タチ悪かったら | タチ悪くなかったら |
That person is nasty, so you'd better not get too involved.
His jokes are always mean-spirited.
性格悪い is a more direct and neutral way to say 'bad personality', whereas タチ悪い carries a stronger nuance of being nasty or ill-natured.
Common spelling using katakana for たち, emphasizing the meaning 'nature/character'.
Hiragana spelling; less common but still used.
Kanji spelling using 性質 for たち; rare and somewhat literary.
Abbreviated kanji spelling; rare.
Compound of たち (nature, character) and 悪い (bad). The reading たち for 'nature' is often written in katakana as タチ to distinguish it from other homophones.