Antonyms for ratify
affirm, authorize:
destroy,
refuse,
invalidate,
disagree,
Disaffirm,
deny,
disprove,
veto,
revoke,
disapprove,
reject,
contradict,
renounce,
disallow,
oppose.
noun:
destroy,
neglect,
deny,
proscribe,
overlook,
console,
upset,
reject,
rebuff,
refuse,
forbid,
negative,
disapprove,
ban,
decline,
overthrow,
interdict,
condole with,
spurn,
shatter,
prohibit,
illegalize,
unsettle,
disallow,
turn down,
enjoin,
disregard,
weaken,
rebut,
shake,
ignore,
veto.