from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To state untruthfully; misrepresent.
- transitive v. To make false by altering or adding to: falsify testimony.
- transitive v. To counterfeit; forge: falsify a visa.
- transitive v. To declare or prove to be false.
- intransitive v. To make untrue statements; lie.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To alter so as to be false; to make incorrect.
- v. To misrepresent.
- v. To prove to be false.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make false; to represent falsely.
- transitive v. To counterfeit; to forge.
- transitive v. To prove to be false, or untrustworthy; to confute; to disprove; to nullify; to make to appear false.
- transitive v. To violate; to break by falsehood.
- transitive v. To baffle or escape.
- transitive v. To avoid or defeat; to prove false, as a judgment.
- transitive v. To show, in accounting, (an inem of charge inserted in an account) to be wrong.
- transitive v. To make false by multilation or addition; to tamper with.
- intransitive v. To tell lies; to violate the truth.
from The Century Dictionary and Cyclopedia
- To make false or deceptive; cause to vary from truth or genuineness; change so as to deceive; sophisticate; adulterate; misrepresent: as, to falsify accounts, weights and measures, or commodities; to falsify a person's meaning.
- To make a false representation of; counterfeit; forge.
- To show to be erroneous or incorrect; disprove: as, the event falsified his words.
- To violate; break by falsehood or treachery: as, to falsify one's faith or word.
- To cause to fail or become false; baffle; make useless: as, to falsify a person's aim.
- To feign, as a blow. Same as false, v. t., 5.
- In law: To prove to be false, as a judgment; avoid or defeat.
- In equity, to show to be erroneous, as an item claimed on the credit side of an account.
- To tell falsehoods; lie; violate the truth.
- n. In fencing, a feint; a baffling thrust.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. prove false
- v. falsify knowingly
- v. insert words into texts, often falsifying it thereby
- v. make false by mutilation or addition; as of a message or story
- v. tamper, with the purpose of deception
Middle English falsifien, from Old French falsifier, from Late Latin falsificāre : Latin falsus, false; see false + Latin -ficāre, -fy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French falsifier, from Late Latin falsificāre, present active infinitive of falsificō ("make false, corrupt, counterfeit, falsify"), from Latin falsificus, from falsus ("false"), corresponding to false + -ify. (Wiktionary)