Fal"si*fy (?), v. t. [imp. & p. p. Falsified (?); p. pr. & vb. n. Falsifying.] [L. falsus false + -ly: cf. F. falsifier. See False, a.] 1. To make false; to represent falsely.

The Irish bards use to forge and falsify everything as they list, to please or displease any man.

2. To counterfeit; to forge; as, to falsify coin.

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.

Jews and Pagans united all their endeavors, under Julian the apostate, to baffie and falsify the prediction.

4. To violate; to break by falsehood; as, to falsify one's faith or word. Sir P. Sidney.

5. To baffle or escape; as, to falsify a blow. Butler.

6. (Law) To avoid or defeat; to prove false, as a judgment. Blackstone.

7. (Equity) To show, in accounting, (an inem of charge inserted in an account) to be wrong. Story. Daniell.

8. To make false by multilation or addition; to tamper with; as, to falsify a record or document.

Fal"si*fy, v. i. To tell lies; to violate the truth.

It is absolutely and universally unlawful to lie and falsify.