null

1 having no legal or binding force the contract was null because one party forgot to sign it Synonyms bad, inoperative, invalid, nonbinding, nonvalid, nugatory, null and void, void Related Words illegal; useless, worthless; ineffective, ineffectual Near Antonyms legal; working Antonyms binding, good, valid

2 having no usefulness that information is as null as no information at all Synonyms chaffy, empty, junky, no-good, worthless, vain, valuelessRelated Words base, cheap, cheapjack, duff [British], inferior, lousy, low-grade, second-rate; bad, defective, dud, flawed, imperfect, substandard, unsatisfactory; deficient, inadequate, insufficient, unacceptableNear Antonyms invaluable, precious, priceless; cherished, esteemed, prized, treasured; choice, exceptional, fancy, high-grade, specialAntonyms useful, valuable, worthy

to put an end to by formal action asked the state court to null the election results because of widespread voting irregularities Synonyms abate, abrogate, annul, avoid, cancel, disannul, dissolve, invalidate, negate, abolish, 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