Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)
in bad taste; problematic; of poor character
see たち
「ボクは寝てないさ。いつもサボッてるだけ」「そっちのほうが質悪い!」"I'm not sleeping. I'm always just skiving off." "That way's even worse!"
Also written たち悪い【たちわるい】、性質悪い【たちわるい】、質悪い【たちわるい】