Translation guide
The act of altering, forging, or misrepresenting information, documents, data, or facts. This guide covers common Japanese expressions for falsification in legal, academic, business, and everyday contexts.
To express the act of forging or tampering with official documents, records, or data, often with fraudulent intent.
The most common and general term for forgery or counterfeiting of documents, money, or official items. Often used in legal contexts.
彼はパスポートの偽造で逮捕された。
He was arrested for passport forgery.
偽造文書を使って銀行口座を開設した。
They opened a bank account using forged documents.
Specifically refers to tampering with or altering existing documents, data, or records, often to deceive. Common in business and IT contexts.
会計記録の改ざんが発覚した。
The falsification of accounting records was uncovered.
データを改ざんして実験結果を操作した。
They falsified the data to manipulate the experimental results.
Fabrication or complete invention of false information, stories, or evidence. Implies creating something from nothing rather than altering existing material.
その記事は完全な捏造だった。
The article was a complete fabrication.
証拠を捏造して無実の人物を陥れた。
They fabricated evidence to frame an innocent person.
A formal legal term for making false entries or statements in official documents. Used in contexts like financial reports or government filings.
有価証券報告書に虚偽記載があった。
There were false statements in the securities report.
To describe the act of distorting or misrepresenting facts, often in speech or writing, without necessarily involving physical documents.
Distortion or twisting of facts, statements, or information. Often used when someone deliberately misrepresents the truth.
彼は事実を歪曲して伝えた。
He distorted the facts when he reported them.
歴史の歪曲は許されない。
Falsification of history is unacceptable.
A more colloquial phrase meaning 'to bend the facts' or 'to twist the truth'. Less formal than 歪曲.
彼は自分の都合のいいように事実を曲げた。
He twisted the facts to suit his own convenience.
Refers to falsehood or untruth. Often used in compounds like 虚偽の申告 (false declaration) or 虚偽の情報 (false information).
虚偽の情報を流布した。
They spread false information.
To refer to fabrication or manipulation of research data, results, or academic work.
A broad term for research misconduct, including fabrication, falsification, and plagiarism. Commonly used in academic and institutional settings.
その教授は研究不正で告発された。
The professor was accused of research misconduct.
Specifically refers to fabrication of data in research. 捏造 implies complete invention of data.
データの捏造が論文撤回の理由となった。
Data fabrication was the reason for the paper's retraction.
Refers to tampering with or altering existing data, as opposed to inventing it. Common in scientific misconduct discussions.
画像データの改ざんが疑われている。
Falsification of image data is suspected.
To describe lying about one's identity, background, or credentials.
Specifically means misrepresentation of one's career or personal history, such as lying on a resume.
経歴詐称が発覚して解雇された。
He was fired when his resume fraud was discovered.
A general phrase meaning 'to falsify one's identity'. Can be used in various contexts.
彼は身元を偽ってホテルに宿泊した。
He stayed at the hotel under a false identity.
偽造 (ぎぞう) is for creating a fake document or object from scratch (forgery). 改ざん (かいざん) is for tampering with or altering an existing genuine document or data. 捏造 (ねつぞう) is for fabricating a story, evidence, or information that is completely false.
The English word 'falsification' covers many nuances. In Japanese, you must choose the specific term that matches the type of falsification. Using a generic translation like 偽造 for data tampering would be inaccurate; use 改ざん instead.