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unpleasant; disagreeable; nasty
lewd; lascivious; obscene; filthy; dirty
いやらしい冗談は周囲の雰囲気を悪くするだけだ。
Vulgar jokes only make the atmosphere around you worse.
彼のいやらしい視線に不快感を覚えて立ち去った。
I felt disgusted by his lewd gaze and left.
昨日の会議での彼の発言は厭らしかった。
His remarks at yesterday's meeting were nasty.