v.使…无效
Merriam-Webster Online Dictionary
nullify (verb)transitive verb
1.
to make null , especially to make legally null and void
2.
to make of no value or consequence
Merriam-Webster Online Thesaurus
nullify (verb)to put an end to by formal action
SYNONYMS:
abate, abrogate, annul, avoid, cancel, disannul, 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 ( indorse), permit, sanction, warrant; command, decree, mandate, order, prescribe