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. Grammar
    3. 〜ので

    〜ので

    〜ので

    Indicates a reason or cause. It is generally perceived as softer and more polite than 'から', presenting the reason as an objective fact or situation rather than a subjective judgment. It is often used when making excuses, explanations, or gentle requests.

    N4KMT3NeutralStandardConjunctionMixedFormal Reason And CauseGrammar

    Verb [dictionary form] + のでPrimary
    い-Adjective + ので
    な-Adjective + な + ので
    Noun + な + ので

    This word shows a reason for something. It sounds softer than 'kara'. You use it for polite explanations or requests.

    電でん車しゃが遅おくれたので、会かい議ぎに少すこし遅おくれます。

    The train was late, so I will be a little late for the meeting.

    PolitePastAffirmativeMid SentenceDeclarativeWork & CareerTravel & Transportation
    この辺あたりは静しずかなので、とても住すみやすいです。

    This area is quiet, so it's very easy to live in.

    PoliteNon PastAffirmativeMid SentenceDeclarativeHome & HousingDaily Life
    昨きの日うはとても寒さむかったので、一いち日にち中じゅう家いえにいました。

    It was very cold yesterday, so I stayed home all day.

    NeutralPastAffirmativeMid SentenceDeclarativeWeather & GeographyDaily Life
    あまり経けい験けんがないので、この仕し事ごとは少すこし難むずかしいかもしれません。

    I don't have much experience, so this job might be a bit difficult.

    NeutralNon PastNegativeMid SentenceConjecturalWork & Career
    「どうして来こなかったの?」「道みちがすごく混こんでいたので。」

    "Why didn't you come?" "Because the traffic was really bad."

    CasualPastAffirmativeSentence EndingDeclarativeDaily LifeTravel & Transportation

    This is different from 'kara'. 'Node' shows a reason as a simple fact. It sounds softer. 'Kara' shows your own strong feelings. So, use 'node' for polite requests. Use 'kara' for strong orders.

    Don't use this when you give a strong order. For example, don't say "寒いので、閉めろ" (It's cold, so close it!). The part after "ので" should be a natural result. It works well with polite requests. It also works with suggestions. Or simple statements. Strong orders or "don't do that" phrases sound strange. If you want to say you definitely plan to do something, use "から" instead.

    Use this when you want to explain why you are doing something. It makes your words sound softer. It helps you be more polite.

    Often confused with(3)

    〜ために

    You use this to say why you do something. It shows your goal or purpose.

    〜から

    This word tells you the reason for something. It is like saying 'because' or 'so' in English. It connects an action to its cause.

    〜ものだから / 〜もんだから

    This phrase tells why something happened. It often sounds like you are making an excuse. It shows your personal feelings about the reason.

    More formal alternatives(1)

    〜から

    This word tells you the reason for something. It is like saying 'because' or 'so' in English. It connects an action to its cause.

    Less formal alternatives(3)

    〜ために

    You use this to say why you do something. It shows your goal or purpose.

    〜につき

    This phrase tells you the reason for something. You will see it in official messages or written signs.

    〜ゆえ(に)

    This means 'because' or 'due to'. You will see it in old books or very formal writing.

    辞書形

    This is the basic form of a verb. It is what you find in a dictionary. You use it to make other verb forms.

    〜い / 〜かった

    This is the basic form of an い-adjective. It describes a quality of something. You use it for present or past qualities.

    〜だ / 〜だった

    This means 'is' or 'was'. It is the casual way to say 〜です and 〜でした.

    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

    less_formal_than

    • 〜ために
    • 〜につき
    • 〜ゆえ(に)

    more_formal_than

    • 〜から

    often_confused_with

    • 〜ものだから / 〜もんだから

    prerequisite

    • 辞書形
    • 〜い / 〜かった
    • 〜だ / 〜だった
    • 〜ゆえの
    • 〜あまりに
    • だって
    • 〜さかい
    • 〜こととて
    • なぜなら

    Explore more

    Grammar dictionary›Browse all entries›