disannul

to put an end to by formal action the new administration seems intent on disannulling every social program instituted by its predecessor Synonyms abate, abrogate, annul, avoid, cancel, abolish, dissolve, invalidate, negate, null, nullify, quash, repeal, rescind, roll back, strike down, vacate, voidRelated Words countermand, override, overrule, overturn, veto; abort, call, call off, drop, recall, retract, reverse, revoke, suspend, withdraw; ban, enjoin, forbid, outlaw, prohibit; disallow, dismiss, reject; annihilate, break down, eliminate, eradicate, erase, liquidate, remove, throw out, write offNear Antonyms enact, lay down, legislate; establish, found, institute; formalize, legalize, legitimate, legitimize, validate; pass, ratify; allow, approve, authorize, clear, endorse (also indorse), permit, sanction, warrant; command, decree, mandate, order, prescribe