溶け合う・溶合う・融け合う|とけあうtokeau[3]nakadaka (mid-high)

Common
Which spelling to use
溶け合う溶け合う is the most common kanji-and-kana spelling and the recommended choice for beginners when writing this word.
溶合う溶合う is a less common kanji-and-kana spelling of the same word; you may encounter it, but it is not the first choice for beginners.
融け合う融け合う is a less common kanji-and-kana spelling of the same word; recognize it as an alternative, but prefer 溶け合う when writing.
Definitions
  1. godan verb, intransitive verbto melt together
    海うみと空そらの色いろがお互たがいに溶け合とけあっている。↗
    The colors of the sea and the sky blend into one another.
Conjugation
Dictionary form溶け合う(とけあう)
Polite (masu)溶け合います(とけあいます)
Negative (nai)溶け合わない(とけあわない)
polite (masen)溶け合いません(とけあいません)
classical zu / nu溶け合わず・溶け合わぬ(とけあわず・とけあわぬ)
Past (ta)溶け合った(とけあった)
polite (mashita)溶け合いました(とけあいました)
Past negative (nakatta)溶け合わなかった(とけあわなかった)
polite (masen deshita)溶け合いませんでした(とけあいませんでした)
Te form溶け合って(とけあって)
Potential溶け合える(とけあえる)
Passive溶け合われる(とけあわれる)
Causative溶け合わせる(とけあわせる)
Causative passive溶け合わせられる・溶け合わされる(とけあわせられる・とけあわされる)
Conditional (ba)溶け合えば(とけあえば)
tara溶け合ったら(とけあったら)
Volitional溶け合おう(とけあおう)
polite (mashou)溶け合いましょう(とけあいましょう)
Imperative溶け合え(とけあえ)

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

Synonyms & antonyms
  • Related入り混じるいりまじるNeutralDescribes various things mingling together, stressing intermixture rather than fusion — the elements need not become one as with 「溶け合う」.
  • Related混じり合うまじりあうNeutralThings mix with each other, stressing mutual blending and intermingling; it emphasizes the mixing more than 「溶け合う」, which suggests melting into one.
  • Related混ざり合うまざりあうNeutralThings mix together until they can no longer be told apart; close in sense to 「混じり合う」.
  • Antonym分かれるわかれるNeutralTo split or branch apart; the opposite of 「溶け合う」, which describes things blending into one.
  • Antonym分離するWrittenA written, formal word for separating things; it stands opposite to 「溶け合う」, which describes them fusing into one.

Use 「溶け合う」 when things melt or blend into one, or when hearts grow close, as in 「色が溶け合う」. For mere mingling choose 「入り混じる」, for mixing 「混ざり合う」; 「分離する」 and 「分かれる」 express the opposite, coming apart.

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

Japanese definitions
  1. 複数ふくすうのものが溶とけて、混ざり合まざりあい一ひとつになる。
  2. 互たがいの蟠わだかまりがなくなって打ち解うちとける。
Kanji in this word

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