i-adjective
suspicious; dubious; unreliable
Describes something or someone that seems untrustworthy, shady, or not quite right. Often used for people, stories, or offers that feel off.
あの男はどうもいかがわしい。
That man seems somehow suspicious.
Don't get involved in dubious money-making schemes.
i-adjective
Refers to behavior, speech, or content that is morally questionable, sexually suggestive, or improper. Often used for risqué jokes, shady businesses, or inappropriate conduct.
彼はいかがわしい冗談ばかり言う。
He always tells indecent jokes.
その店はいかがわしい商品を扱っているらしい。
That shop seems to deal in unseemly merchandise.