3. To prove to be false, or untrustworthy; to confute; to disprove; to
nullify; to make to appear false.
By how much better than my word I am, By so much shall I falsify
men's hope.
Shak.
Jews and Pagans united all their endeavors, under Julian the
apostate, to baffie and falsify the prediction.
Addison.
4. To violate; to break by falsehood; as, to falsify one's faith or
word. Sir P. Sidney.