How to say "pretend" in Japanese

Choosing the right word
  • 偽るいつわるCommon
    godan verb, transitive verb, intransitive verbCovers pretend in the sense of deliberate deception: feigning something or passing oneself off as what one is not, with a strong flavor of lying or falsifying facts.
    彼かれは年齢ねんれいを偽いつわった。↗
    He lied about his age.
  • がるJLPT N1approx.Common
    suffix, godan verbCovers pretend as "act as if": it describes someone's outward behavior — behaving as though something were the case — rather than calculated deception.
  • 装うよそおうCommon
    godan verb, transitive verbCovers pretend through outward appearance: feigning or affecting an attitude or feeling, or disguising oneself as something, with the emphasis on the front one presents to others.
    時々ときどき周まわりで起おきていることに無関心むかんしんを装よそおう。↗
    He sometimes affects indifference to what's happening around him.
  • 決め込むきめこむCommon
    godan verb, transitive verbCovers pretend in the sense of posing as or fancying oneself to be a certain kind of person; feigning ignorance is a typical use, often with a nuance of casting oneself in the role.
    本人ほんにんは唯我ゆいが独尊どくそんを決め込きめこんでいるようだけども、周まわりから見みれば単たんなるわがままだよね。↗
    He's completely convinced of his own greatness but to the people around him he's just a selfish jerk.

Use 「偽る」 for deliberate deception, lying, or falsifying; 「がる」 for outwardly acting as if something were the case; 「装う」 for feigned appearances or disguise; and 「決め込む」 for posing as or fancying oneself to be something.

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

Japanese equivalents
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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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