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. 一発

    一発

    一いっ発ぱつ

    one shot

    KMT4News #7+1Sports & Martial ArtsGamesKanji Vocab10 strokes

    1発

    いっぱつ

    Noun

    1.
    one shot, one charge, one explosion
    2.
    one blow, one punch
    3.
    home run
    baseball

    Noun, Adverb

    4.
    one try, one attempt

    Noun

    5.
    win on the first go-around after calling rīchi
    mahjong
    6.
    ippatsu (comp. karuta), taking a card which is read immediately after sending it
    abbreviationcard games

    Stroke 0 / 10

    Speed1.0x

    彼かれは一いっ発ぱつで的てきに当あてた。

    He hit the target with one shot.

    KMT3Sports & Martial Arts
    宝たからくじに当あたれば、一いっ発ぱつ逆ぎゃく転てんだ。

    If I win the lottery, it'll be a complete turnaround (one shot reversal).

    KMT4Daily LifeGames
    彼かれは満まん塁るいホームランを一いっ発ぱつ放はなった。

    He hit a grand slam home run.

    KMT4Sports & Martial Arts
    この問もん題だいは一いっ発ぱつで解かい決けつできるほど単たん純じゅんではない。

    This problem is not simple enough to be solved in one go.

    KMT5Work & Career
    リーチ後ごの一いっ発ぱつで役やく満まんを上あがった。

    I won a Yakuman with an Ippatsu after declaring Riichi.

    KMT6Games

    Kanji that make up this word

    一
    ひと-・ひと.つ…(13)
    one・one radical (no.1)
    発
    た.つ・あば.く・おこ.る・つか.わす・はな.つ…(4)
    departure・discharge・publish・emit・start from…(2)
    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

    • 一
    • 発

    Explore more

    Kanji Vocab dictionary›Browse all entries›