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