Standard Lemma guide

falsify

verb · 12 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈfɒlsɪfaɪ/
  • /ˈfɔːlsɪfaɪ/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɒlsɪfaɪ
  • rhymes with -ɔːlsɪfaɪ
  • CMU ARPABET: F AO1 L S AH0 F AY2 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

verb

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • to falsify a record or document

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To misrepresent.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To counterfeit; to forge.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • to falsify money

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To prove to be false.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Qualifier: otherwise archaic

Topics: sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To show (an item of charge inserted in an account) to be wrong.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Topics: accounting, business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To baffle or escape.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To violate; to break by falsehood.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

Examples

  • to falsify one's faith or word

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

insert words into texts, often falsifying it thereby

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: interpolate, alter

Antonyms: none provided

Broader terms: edit, redact

9

verb

Meaning 9

falsify knowingly

Definition source: Princeton WordNet 3.0

Examples

  • She falsified the records

Meaning relationships

Synonyms: none provided

Antonyms: correct

Broader terms: change by reversal, turn, reverse

10

verb

Meaning 10

prove false

Definition source: Princeton WordNet 3.0

Examples

  • Falsify a claim

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: disprove, confute

11

verb

Meaning 11

make false by mutilation or addition; as of a message or story

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: distort, garble, warp

Antonyms: none provided

Broader terms: misrepresent, belie

Narrower terms: mangle, mutilate, murder

12

verb

Meaning 12

tamper, with the purpose of deception

Definition source: Princeton WordNet 3.0

Examples

  • Fudge the figures
  • cook the books
  • falsify the data

Meaning relationships

Synonyms: fudge, manipulate, fake, cook, wangle, misrepresent

Antonyms: none provided

Broader terms: cheat, chisel

Narrower terms: juggle

History

Etymology

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

Across languages

Translations

72 source translations are retained for this English entry.

  • Armenian: կեղծել (keġcel) — to alter so as to be false
  • Belarusian: фальсіфікава́ць (falʹsifikavácʹ) — to alter so as to be false
  • Bulgarian: фалшифици́рам (falšificíram) — to alter so as to be false
  • Bulgarian: подпра́вям (podprávjam) — to alter so as to be false
  • Bulgarian: подпра́вя (podprávja) — to alter so as to be false
  • Catalan: falsificar — to alter so as to be false
  • Catalan: falsejar — to alter so as to be false
  • Dutch: vervalsen — to alter so as to be false
  • Esperanto: falsi — to alter so as to be false
  • Finnish: väärentää — to alter so as to be false
  • French: falsifier — to alter so as to be false
  • Galician: falsificar — to alter so as to be false
  • Hungarian: hamisít — to alter so as to be false
  • Hungarian: meghamisít — to alter so as to be false
  • Japanese: 改竄する (kaizan suru) — to alter so as to be false
  • Japanese: 偽造 (gizō suru) — to alter so as to be false
  • Korean: 위조하다 (wijohada) — to alter so as to be false
  • Latin: ēmentior — to alter so as to be false
  • Latin: vitio — to alter so as to be false
  • Māori: tahupera — to alter so as to be false
  • Māori: aweke — to alter so as to be false
  • Māori: whakatapeha — to alter so as to be false
  • Polish: fałszować — to alter so as to be false
  • Polish: podrabiać — to alter so as to be false
  • Polish: sfingować — to alter so as to be false
  • Polish: falsyfikować — to alter so as to be false
  • Portuguese: falsificar — to alter so as to be false
  • Romanian: denatura — to alter so as to be false
  • Romanian: falsifica — to alter so as to be false
  • Russian: фальсифици́ровать (falʹsificírovatʹ) — to alter so as to be false
  • Russian: сфальсифици́ровать (sfalʹsificírovatʹ) — to alter so as to be false
  • Russian: подде́лывать (poddélyvatʹ) — to alter so as to be false
  • Russian: подде́лать (poddélatʹ) — to alter so as to be false
  • Spanish: falsificar — to alter so as to be false
  • Spanish: falsear — to alter so as to be false
  • Ukrainian: фальсифікува́ти (falʹsyfikuváty) — to alter so as to be false
  • Bulgarian: изопача́вам (izopačávam) — to misrepresent
  • Bulgarian: изопача́ (izopačá) — to misrepresent
  • Catalan: falsificar — to misrepresent
  • Catalan: falsejar — to misrepresent
  • Finnish: tekeytyä — to misrepresent
  • Finnish: teeskennellä — to misrepresent
  • Māori: aweke — to misrepresent
  • Portuguese: falsificar — to misrepresent
  • Romanian: falsifica — to misrepresent
  • Russian: искажа́ть (iskažátʹ) — to misrepresent
  • Russian: искази́ть (iskazítʹ) — to misrepresent
  • Bulgarian: опроверга́вам (oprovergávam) — to prove to be false
  • Bulgarian: опроверга́я (oprovergája) — to prove to be false
  • Catalan: falsejar — to prove to be false
  • Catalan: falsificar — to prove to be false
  • Finnish: osoittaa vääräksi — to prove to be false
  • German: falsifizieren — to prove to be false
  • German: widerlegen — to prove to be false
  • Hebrew: הפריך (hifríkh) — to prove to be false
  • Hungarian: cáfol — to prove to be false
  • Hungarian: megcáfol — to prove to be false
  • Hungarian: falszifikál — to prove to be false
  • Russian: опроверга́ть (oprovergátʹ) — to prove to be false
  • Russian: опрове́ргнуть (oprovérgnutʹ) — to prove to be false
  • Spanish: falsar — to prove to be false
  • Dutch: vervalsen — to counterfeit, forge
  • Finnish: väärentää — to counterfeit, forge
  • Galician: falsificar — to counterfeit, forge
  • Hungarian: hamisít — to counterfeit, forge
  • Japanese: 偽造する (gizō suru) — to counterfeit, forge
  • Polish: fałszować — to counterfeit, forge
  • Polish: sfałszować — to counterfeit, forge
  • Spanish: falsificar — to counterfeit, forge
  • Finnish: paljastaa — finance: to show to be wrong
  • Finnish: väistää — (obsolete in English) to baffle or escape
  • Finnish: pettää — (obsolete in English) to break by falsehood