Synonyms of invalidate in English:

invalidate


See definition of invalidate

verb

1‘a low turnout invalidated the ballot’

SYNONYMS
render invalid, void, nullify, annul, negate, cancel, quash, veto, overturn, overrule, override, undo, reverse
revoke, rescind, abolish, repeal, repudiate, terminate
ANTONYMS

validate

2‘this case is exceptional, and does not invalidate the general argument’

SYNONYMS
disprove, prove to be false, show to be false, refute, explode, contradict, rebut, negate, gainsay, belie, give the lie to, discredit, expose, debunk, knock the bottom out of, drive a coach and horses through
weaken, undermine, compromise
informal shoot full of holes, shoot down, shoot down in flames
formal confute, negative
ANTONYMS

validate, support