弾む・勢む|はずむhazumu[0]heiban (flat)

JLPT N1approx.Common
Which spelling to use
弾む弾む uses a mixed kanji-kana spelling and is the common form recommended for learners.
勢む勢む is a mixed kanji-kana variant of 弾む, but it is rarely used and will be encountered only infrequently.
Definitions
  1. godan verb, intransitive verbto spring; to bound; to bounce
    ボールははずんで塀へいを飛び越とびこえた。↗
    The ball bounced over the wall.
  2. godan verb, intransitive verbto be stimulated; to be encouraged; to get lively
    彼かれの胸むねは期待きたいに弾はずんだ。↗
    His heart bounded with expectation.
  3. godan verb, transitive verbto pay handsomely; to splurge; to part eagerly with (money, etc.)
  4. godan verb, intransitive verbto breathe hard; to pant; to be out of breath
Conjugation
Dictionary form弾む(はずむ)
Polite (masu)弾みます(はずみます)
Negative (nai)弾まない(はずまない)
polite (masen)弾みません(はずみません)
classical zu / nu弾まず・弾まぬ(はずまず・はずまぬ)
Past (ta)弾んだ(はずんだ)
polite (mashita)弾みました(はずみました)
Past negative (nakatta)弾まなかった(はずまなかった)
polite (masen deshita)弾みませんでした(はずみませんでした)
Te form弾んで(はずんで)
Potential弾める(はずめる)
Passive弾まれる(はずまれる)
Causative弾ませる(はずませる)
Causative passive弾ませられる・弾まされる(はずませられる・はずまされる)
Conditional (ba)弾めば(はずめば)
tara弾んだら(はずんだら)
Volitional弾もう(はずもう)
polite (mashou)弾みましょう(はずみましょう)
Imperative弾め(はずめ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • SynonymはねるNeutralCovers jumping up and splashing — 「魚が跳ねる」, 「油が跳ねる」. It stresses hopping about, while 「弾む」 stresses bouncing back or a lively atmosphere.
  • SynonymバウンドNeutralLoanword for a ball bouncing, as in 「ボールがバウンドする」; leans toward sports contexts.
  • Synonym跳ね返るはねかえるNeutralFor rebounding or splashing back, as in 「影響が跳ね返る」; stresses the bounce-back or knock-on effect.
  • SynonymリバウンドNeutralLoanword for regaining lost weight after a diet, or a rebound in basketball; leans toward weight and sports.
  • Related跳ね上がるはねあがるNeutralFor jumping up or prices shooting up, as in 「物価が跳ね上がる」; stresses a sharp rise.
  • Related躍るおどるWrittenWritten/formal prose for a heart pounding with excitement, as in 「胸が躍る」; leans toward stirred emotions.
  • Related飛び出すとびだすNeutralFor dashing or leaping out, as in 「道に飛び出す」; stresses bursting out suddenly.
  • Related飛ぶとぶNeutralFor flying or leaping off the ground, as in 「鳥が飛ぶ」; stresses taking to the air and lacks the bounce-back sense.
  • Related跳躍ちょうやくWrittenWritten/formal noun for jumping, as in 「跳躍力」; leans toward sports terminology.
  • Related飛び上がるとびあがるNeutralFor jumping up in the air, as in 「驚いて飛び上がる」; stresses leaping high in one go.
  • Related飛び跳ねるとびはねるNeutralFor skipping and hopping about, as in 「喜んで飛び跳ねる」; stresses repeated jumping.

Use 「弾む」 for a ball bouncing, a conversation turning lively, or spirits and breathing quickening, and for spending freely, as in 「話が弾む」 and 「チップを弾む」. For jumping up, say 「跳ねる」; for a ball's bounce, 「バウンド」; for a heart leaping with excitement, 「胸が躍る」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 弾力だんりょくのあるものがはねかえる。
  2. 呼吸こきゅうや鼓動こどうなどが活発かっぱつになる。
  3. 気分きぶんがたかまる。声こえなどが明あかるくなる。
  4. 話はなしなどに勢いきおいがつく。盛り上もりあがる。
  5. 多額たがくの金かねを気前きまえよく出だす。通常つうじょうより多おおく出だす。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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