strike down

to put an end to by formal action a law that was later struck down by the U.S. Supreme Court as unconstitutional Synonyms abate, abrogate, annul, avoid, cancel, disannul, dissolve, invalidate, negate, null, nullify, quash, repeal, rescind, roll back, abolish, 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