疑わしい · i-adjective
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 疑わしい | 疑わしくない |
| Polite | 疑わしいです | 疑わしくないですalso 疑わしくありません |
| Past polite | 疑わしかったです | 疑わしくなかったですalso 疑わしくありませんでした |
| Past | 疑わしかった | 疑わしくなかった |
| Te-form | 疑わしくて | 疑わしくなくて |
| Adverbial | 疑わしく | |
| Conditional | 疑わしければ | 疑わしくなければ |
| Tara conditional | 疑わしかったら | 疑わしくなかったら |
doubtful; questionable; suspicious
Used when something seems unreliable, uncertain, or possibly dishonest. Can describe facts, claims, people, or situations.
His explanation is a bit questionable.
That man's behavior is suspicious.
It's doubtful whether he's really a doctor.
I saw a suspicious person around the station.
A get-rich-quick story like that sounds dubious.
What he said was questionable, so I asked for evidence.