Kumi logo
    Kumi

    Learn Japanese. Where understanding folds into fluency.

    Dictionary

    KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

    Learn

    GuidesStart where you areWhat is KMT?RoadmapFAQ

    Connect

    EmailDiscordInstagramThreadsTikTokYouTubeLinkedInBlueskyX

    Newsletter

    Start learning free →

    Free forever tier. No card required.

    © 2026 Kumiai Inc. All rights reserved.

    AboutFAQContactStatusPrivacyTermsAttributions
    Dictionary
    1. Dictionary
    2. Kanji Vocab
    3. 思い込む

    思い込む

    思おもい​込こむ​

    to be convinced (that)

    N2KMT10News #47+1CoreVerb, IntransitiveEmotions & PsychologyKanji Vocab19 strokes

    思いこむ

    おもいこむ

    Verb, Intransitive

    1.
    to be convinced (that), to be under the impression (that), to feel sure (that), to assume (that)
    2.
    to make up one's mind, to set one's heart on, to be determined (to do), to be bent on
    3.
    to be obsessed (with a thought, idea, etc.), to think about obsessively

    Stroke 0 / 19

    Speed1.0x

    彼かれは自じ分ぶんが正ただしいと思おもい込こんでいた。

    He was convinced that he was right.

    KMT5Emotions & Psychology
    彼かの女じょは彼かれが嘘うそをついていると思おもい込こんでしまった。

    She ended up being convinced that he was lying.

    KMT10Emotions & Psychology
    自じ分ぶんの思おもい込こみが激はげしいと、他た人にんの意い見けんを聞きき入いれにくくなる。

    If your assumptions are strong, it becomes difficult to accept others' opinions.

    KMT10Emotions & Psychology
    彼かれは彼かの女じょが自じ分ぶんを好すきだと勝かっ手てに思おもい込こんでいたが、それは勘かん違ちがいだった。

    He had arbitrarily convinced himself that she liked him, but that was a misunderstanding.

    KMT10Emotions & PsychologyFamily & Relationships
    成せい功こうするためには、自じ分ぶんにはできると思おもい込こむ強つよい気き持もちが大たい切せつだ。

    To succeed, a strong feeling of being convinced that you can do it is important.

    KMT10Emotions & PsychologyWork & Career

    Characters that make up this word

    思
    おも.う・おもえら.く・おぼ.す…(1)
    think
    Kanji
    込
    -こ.む・こ.む・こ.み・-こ.み・こ.める…(2)
    crowded・mixture・in bulk・included・(kokuji)
    Kanji
    い
    i
    Kana
    む
    mu
    Kana
    Kumi logo

    Track your mastery

    Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

    Related concepts for this entry

    Used in vocabulary

    • 思
    • 込
    • い
    • む

    Explore more

    Kanji Vocab dictionary›Browse all entries›