Synonyms of nullify in English:

nullify


See US English definition of nullify

See UK English definition of nullify

See Spanish definition of anular

verb

1‘the ANC warned that it would nullify the legislation’

SYNONYMS
annul, declare null and void, render null and void, void, invalidate, render invalid
repeal, reverse, rescind, revoke, set aside, cancel, abolish, undo, abrogate
countermand, veto, dissolve, cast aside, do away with, bring to an end, terminate, quash, obliterate
vacate
archaic recall
rare disannul
ANTONYMS

ratify, validate, confirm

2‘the costs of preparing the case would more than nullify any tax relief gained’

SYNONYMS
cancel out, neutralize, negate, render ineffective, make of no use or value
rare negative