also: やらしい
i-adjective
unpleasant; disagreeable; nasty
Describes something that feels off-putting, uncomfortable, or gives a bad impression; can refer to behavior, atmosphere, or a person's manner.
彼の笑い方がいやらしい。
His way of laughing is unpleasant.
いやらしい天気だね。
Nasty weather, isn't it?
i-adjective
Refers to sexually suggestive or indecent behavior, remarks, or attitudes; often carries a negative moral judgment.
いやらしい話はやめてください。
Please stop with the dirty talk.
彼の視線がいやらしかった。
His gaze was lewd.