Falsify

//ˈfɒlsɪfaɪ// verb

verb ·Moderate ·High school level

Definitions

Verb
  1. 1
    To alter so as to make false; especially when done with intent to deceive. transitive

    "to falsify a record or document"

  2. 2
    insert words into texts, often falsifying it thereby wordnet
  3. 3
    To misrepresent. transitive
  4. 4
    falsify knowingly wordnet
  5. 5
    To counterfeit; to forge. transitive

    "to falsify money"

Show 7 more definitions
  1. 6
    prove false wordnet
  2. 7
    To prove to be false. transitive

    "By how much better than my word I am, / By so much shall I falsify men's hope."

  3. 8
    make false by mutilation or addition; as of a message or story wordnet
  4. 9
    To show (an item of charge inserted in an account) to be wrong. transitive

    "It will allow the account to stand, with liberty to the plaintiff to surcharge and falsify it"

  5. 10
    tamper, with the purpose of deception wordnet
  6. 11
    To baffle or escape. obsolete, transitive

    "For disputants (as swordsmen use to fence / With blunted foyles) engage with blunted sense; / And as th' are wont to falsify a blow, / Use nothing else to pass upon a foe […]"

  7. 12
    To violate; to break by falsehood. obsolete, transitive

    "to falsify one's faith or word"

Synonyms

All synonyms
beliecookdoctorfudgegarblelie

Example

More examples

"I will falsify a permit so that I can go camping there this weekend."

Etymology

From French falsifier, from Late Latin falsificāre (“make false, corrupt, counterfeit, falsify”), from Latin falsificus, from falsus (“false”), corresponding to false + -ify.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.