How to say "fabrication" in Japanese

Choosing the right word
  • 捏造ねつぞうCommon
    noun, suru verb, transitive verbFabrication as deliberately inventing falsehoods and passing them off as true: made-up data, evidence, or stories. The word that fits scandals over fabricated research or reporting.
  • 偽造ぎぞうJLPT N1approx.Common
    suru verb, transitive verb, no-adjectiveFabrication in the sense of forgery or counterfeiting — producing fake versions of real things such as documents or money. Rarely the word for inventing stories or data from nothing.
    その文書ぶんしょは本物ほんものでも偽造ぎぞうされたものでもない。↗
    The document is neither genuine nor forged.
  • 絵空事えそらごとCommon
    nounRefers to fanciful, unrealistic things — daydreams, empty fantasies, plans that will never happen. Its 'fabrication' sense is closer to pipe dream than to deliberate deception.
  • 虚構きょこうCommon
    suru verb, transitive verb, no-adjectiveFabrication as fiction — an invented story or constructed unreality, whether in literature or an account known to be concocted. Emphasizes the thing's status as something made up rather than real.
    ボブは酷ひどく取り乱とりみだしていて、現実げんじつと虚構きょこうの区別くべつがほとんど出来できなかった。↗
    Bob was so beside himself that he could scarcely tell fact from fiction.
  • 偽りいつわりCommon
    no-adjectiveA general word for lies and falsehoods; fabrication as deceit — things said or presented that are untrue. Suits talk of deception and dishonesty rather than specific forged objects.
    彼かれの言葉ことばには偽いつわりが無ない。↗
    He is sincere in what he says.

Use 捏造 for inventing false data or stories passed off as true, 偽造 for forging documents or money, 虚構 for constructed fiction, 絵空事 for unrealistic fantasies, and 「偽り」 for lies and deceit in general.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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