思(おも)い込(こ)み

おもいこみ
noun
assumption, conviction, preconception
mental-state
See also: 思(おも)い込(こ)む (verb form)
1. assumption, conviction, preconception
A belief or idea that one holds firmly, often without sufficient evidence or that may be mistaken.
それはあなたの思(おも)い込(こ)みだ。
That's just your assumption.
思(おも)い込(こ)みが激(はげ)しい人(ひと)だ。
They're a person with strong convictions.
自分(じぶん)の思(おも)い込(こ)みに気(き)づいて、考(かんが)えを改(あらた)めた。
I noticed my preconceptions and changed my thinking.

Related verb

思(おも)い込(こ)む: to be convinced of, to assume firmly

Usage nuance

思(おも)い込(こ)み can be:

  • Negative: when referring to unfounded assumptions or stubborn beliefs
  • Neutral/positive: when referring to strong conviction or dedication

The term often implies that the belief may not match reality.

Similar words

Related Words

Synonym: 先入観(せんにゅうかん) (preconception)
Synonym: 固定観念(こていかんねん) (fixed idea)
Related: 決(き)め付(つ)け (jumping to conclusions)
Compare: 早(はや)とちり (jumping to conclusions, hasty misunderstanding)
Compare: 早合点(はやがてん) (jumping to conclusions)
general
Added 2026.2.5 11:53 · Revised 2026.9.2 13:01
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