without impeachment of waste; without accountability for waste; without liability to suit for v/aste. A clause anciently often in-serted in leases, (as the equivalent English phrase sometimes is.) signifying that the ten-ant or lessee shall not be liable to suit, (im-petitio,) or challenged, or called to account, for committing waste. 2 BI. Comm. 283; 4 Kent, Comm. 78; Co. Litt. 220a; Litt i 352.