أبطل

v. cancel, annul, abolish, nullify, extinguish, defeat, void, revoke, rescind, repeal, abrogate, annihilate, avoid, frustrate, override, quash, vacate, undo, rule out, call off, supersede, reverse, counteract, countermand, vitiate, upset, circumvent

n. hero, champion

adj. heroic

n. dew, eloquence