How to say "lie" in Japanese

Choosing the right word
  • 嘘うそJLPT N4approx.Common
    no-adjectiveThe everyday noun for a lie, from a small fib to a deliberate untruth; the default choice when you call a statement a lie or say someone is not telling the truth.
    彼かれが言いったことが嘘うそであることが解わかった。↗
    What he said turned out to be false.
  • 偽りいつわりCommon
    no-adjectiveA falsehood or fabrication, with the nuance of something invented or deceptive rather than a casual fib; suits descriptions of deceit or pretense, as in a life built on lies.
    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.
  • 偽るいつわるCommon
    godan verb, transitive verb, intransitive verbThe verb 'to lie': covers deceiving by pretending to be something one is not, feigning, or falsifying facts, so it goes beyond simply telling an untruth.
    彼かれは年齢ねんれいを偽いつわった。↗
    He lied about his age.
  • 虚偽きょぎCommon
    no-adjectiveA noun for falsehood, untruth, or misinformation, typical of official or written contexts — false statements and declarations — rather than casual conversation.
    Reject all its lies and vulgarity.
  • 虚言きょげんCommon
    nounA noun for a falsehood or lie, chiefly in written or set expressions; in ordinary conversation it is seldom the word you want, since 嘘 covers that ground.
    あなたの虚言きょげんが、私を苦くるしめるんです。↗
    Your lies pain me.

Choose 嘘 for the ordinary noun 'lie' or fib; 「偽り」 for fabrication or deceit; 「偽る」 when 'lie' is a verb meaning to deceive, pretend, or falsify; 虚偽 and 虚言 for falsehood in official or written contexts.

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

Japanese equivalents
See also

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

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