tights /taɪts/ noun[plural only]4 •A close-fitting, sheer or non-sheer skin-tight garment worn principally by women and girls that covers the body completely from the waist down, usually including the feet. •A similar, non-sheer garment worn by dancers of either sex, especially by ballet dancers. •A garment, similar to briefs, worn chiefly by professional wrestlers. •In blasting rock, a piece of unbroken rock within the pay limit of a blast.