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. 副反応

    副反応

    副ふく反はんの応う

    side effect (of a vaccine)

    KMT9Ref L1NounScience & MathMedicine & HealthKanji Vocab22 strokes

    ふくはんのう

    Noun

    1.
    side effect (of a vaccine)
    medicine
    2.
    side reaction
    chemistry

    Stroke 0 / 22

    Speed1.0x

    ワクチン接せっ種しゅ後ご、軽かるい副ふく反はんの応うが出でた。

    After vaccination, I experienced mild side effects.

    KMT7Medicine & Health
    この薬くすりは、稀まれに重じゅう篤とくな副ふく反はんの応うを引ひき起おこすことがある。

    This medicine can sometimes cause severe side effects.

    KMT9Medicine & Health
    医い師しは副ふく反はんの応うについて詳くわしく説せつ明めいし、患かん者じゃの不ふ安あんを和やわらげた。

    The doctor explained the side effects in detail and alleviated the patient's anxiety.

    KMT9Medicine & Health
    新しん薬やくの開かい発はつにおいては、副ふく反はんの応うのリスク評ひょう価かが極きわめて重じゅう要ようだ。

    In the development of new drugs, the risk assessment of side reactions is extremely important.

    KMT10Medicine & HealthScience & Math
    化か学がく反はんの応うにおける副ふく反はんの応うは、目もく的てき生せい成せい物ぶつの純じゅん度どを低てい下かさせる。

    Side reactions in chemical reactions reduce the purity of the target product.

    KMT10Science & Math

    Kanji that make up this word

    副
    vice-・assistant・aide・duplicate・copy
    反
    そ.る・そ.らす・かえ.す・かえ.る・-かえ.る…(6)
    anti-
    応
    あた.る・まさに・こた.える…(6)
    apply・answer・yes・OK・reply…(1)
    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

    • 副
    • 反
    • 応

    Explore more

    Kanji Vocab dictionary›Browse all entries›