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. 不定

    不定

    不ふ定じょう

    uncertainty

    KMT5News #12+1Noun, Adjective, ParticleEmotions & PsychologyKanji Vocab12 strokes

    ふじょうふてい

    Noun, Adjective, Particle

    1.
    uncertainty, insecurity, inconstancy, indefinite, undecided

    Stroke 0 / 12

    Speed1.0x

    彼かれの態たい度どは不ふ定じょうだ。

    His attitude is inconsistent.

    KMT4Emotions & PsychologyDaily Life
    将しょう来らいに対たいする不ふ定じょうな気き持もちを抱かかえている。

    I have uncertain feelings about the future.

    KMT5Emotions & PsychologyDaily Life
    不ふ定じょうな要よう素そが多おおい計けい画かくは、リスクが高たかい。

    A plan with many uncertain elements carries high risk.

    KMT6Business & FinanceEmotions & Psychology
    不ふ定じょうな心しん境きょうが続つづき、なかなか決けつ断だんができない。

    My uncertain state of mind continues, making it difficult to make a decision.

    KMT6Emotions & Psychology
    数すう学がくでは、不ふ定てい積せき分ぶんという概がい念ねんを学まなびます。

    In mathematics, we learn the concept of indefinite integrals.

    KMT7Science & MathEducation

    Kanji that make up this word

    不
    negative・non-・bad・ugly・clumsy
    定
    さだ.める・さだ.まる・さだ.か…(3)
    determine・fix・establish・decide
    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

    • 不
    • 定

    Explore more

    Kanji Vocab dictionary›Browse all entries›