合流|ごうりゅうgouryuu[0]heiban (flat)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- noun, suru verb, intransitive verbconfluence (of rivers); flowing together; joining
- noun, suru verb, intransitive verbjoining (of people, groups, parties, etc.); union; linking up; merging (e.g. of traffic); meeting (up)
Conjugation
| Dictionary form | 合流する(ごうりゅうする) |
|---|---|
| Polite (masu) | 合流します(ごうりゅうします) |
| Negative (nai) | 合流しない(ごうりゅうしない) |
| polite (masen) | 合流しません(ごうりゅうしません) |
| classical zu / nu | 合流せず・合流せぬ(ごうりゅうせず・ごうりゅうせぬ) |
| Past (ta) | 合流した(ごうりゅうした) |
| polite (mashita) | 合流しました(ごうりゅうしました) |
| Past negative (nakatta) | 合流しなかった(ごうりゅうしなかった) |
| polite (masen deshita) | 合流しませんでした(ごうりゅうしませんでした) |
| Te form | 合流して(ごうりゅうして) |
| Potential | 合流できる(ごうりゅうできる) |
| Passive | 合流される(ごうりゅうされる) |
| Causative | 合流させる(ごうりゅうさせる) |
| Causative passive | 合流させられる(ごうりゅうさせられる) |
| Conditional (ba) | 合流すれば(ごうりゅうすれば) |
| tara | 合流したら(ごうりゅうしたら) |
| Volitional | 合流しよう(ごうりゅうしよう) |
| polite (mashou) | 合流しましょう(ごうりゅうしましょう) |
| Imperative | 合流しろ(ごうりゅうしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym合同ごうどうNeutralNeutral: several organizations acting jointly or merging into one, as in 「合同練習」; 「合流」 stresses converging from different directions to one spot.
- Synonym合併がっぺいFormalFormal: merging companies, towns and villages into one, as in 「企業合併」; leans toward legal or organizational integration.
- Synonym合体がったいNeutralNeutral: two or more things combining into one, as in 「ロボットが合体する」; leans toward physical objects joining.
- Synonym結合けつごうNeutralNeutral: things binding together, as in 「原子の結合」; leans toward chemistry and abstract structures.
- Synonym合わさるあわさるNeutralIntransitive verb: coming together as one, as in 「手のひらが合わさる」; leans toward two things fitting snugly together.
- Synonym合するがっするWrittenWritten style for joining or merging into one; rarely used, so prefer 「合わせる」 or 「合流する」 in everyday speech.
- Synonym一緒になるいっしょになるCasualColloquial: to gather and become one; also used for getting married. More everyday and broader in scope than 「合流」.
- Related接続せつぞくNeutralNeutral: connecting or linking up, as in 「電車の接続」 and 「ネット接続」; about joining on, not flowing together into one stream.
- Related連結れんけつNeutralNeutral: coupling things like train cars, as in 「車両を連結する」; also used for consolidated financial statements.
- Related融合ゆうごうWrittenWritten style: blending into one, as in 「文化の融合」; about qualities merging, whereas 「合流」 is about converging into a single stream.
- Related接合せつごうWrittenWritten style: joining parts together, as in 「骨を接合する」; leans toward physical connection.
- Related合一ごういつWrittenWritten style: uniting into one, as in 「知行合一」; leans toward abstract or philosophical contexts.
- Antonym分流ぶんりゅうWrittenWritten style, antonym: water splitting off from the main stream into branches or distributaries — the opposite of 「合流」's converging.
Use 「合流」 for rivers, crowds or groups converging on one point, as in 「後で合流する」. Say 「合併」 for company mergers, 「合同」 for joint action, 「融合」 for blending into one, and 「接続」 for transport or network connections.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


