大同|だいどうdaidou[0]heiban (flat)

1. noungeneral resemblance; being largely the same
2. noununiting with a common goal
3. nounDaidō era (806.5.18-810.9.19)

• Related連合れんごうNeutralOrganizations uniting for a shared purpose, as in 「国際連合」; stresses the forming of a union, while 「大同」 stresses seeking common ground despite small differences.
• Related共同きょうどうNeutralDoing or owning something jointly, as in 「共同研究」; the emphasis is on cooperation rather than on becoming one.
• Related合同ごうどうNeutralSeveral parties coming together as in 「合同練習」 or 「合同会社」; stresses merging or carrying something out jointly.
• Related合体がったいNeutralTwo things fusing into a single body, like combining robots; also used in biology. The point is literally becoming one.
• Related合わさるあわさるNeutralAn intransitive verb for things coming together or fitting snugly; the emphasis is on physical joining.
• Related合併がっぺいNeutralMergers of companies or municipalities, as in 「市町村合併」; stresses legal entities becoming one.
• Related結束けっそくNeutralUniting tightly as one; the emphasis is on cohesion and solidarity within a group.
• Related団結だんけつNeutralPeople rallying together as in 「一致団結」; stresses everyone pulling in the same direction.
• Related併合へいごうNeutralAnnexing or absorbing something, as in 「領土の併合」; carries a coercive overtone.
• Related組むくむNeutralA colloquial verb for teaming up or joining forces; also used for crossing arms or legs.
• Related結合けつごうNeutralJoining or linking — people, organizations or substances; also used for chemical bonds. Stresses being joined into one.
• Related合わすあわすNeutralA transitive verb for making things match or bringing them together; stresses adjusting into alignment.
• Related一体化いったいかNeutralBlending separate things into one, as in 「一体化を図る」; stresses integration.
• Related合するがっするWrittenA verb for merging or converging; written-style and not much used in speech.
• Related一緒になるいっしょになるCasualA colloquial phrase for things coming together as one; also said of two people getting married.
• Related合すがっすNeutralAn alternative spelling of 「合わす」 — the same word: to make things match, bring them together, or add them up.
• Related合一ごういつWrittenBecoming one, as in 「知行合一」; a written, formal word.
• Antonym小異しょういNeutralThe antonym: small, minor differences. Pairs with 「大同」 in 「大同小異」.

Use 「大同」 for things being largely the same or for uniting behind a big goal; it appears mostly in set phrases like 「大同小異」 and 「大同団結」. For organizations joining forces say 「連合」, for solidarity 「団結」, and for company or municipal mergers 「合併」. The antonym is 「小異」.

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

1. だいたい同おなじであること。
2. 同おなじ目的もくてきを持もつものが大勢おおぜい集あつまって一ひとつの集団しゅうだんになること。
3. 元号げんごう
4. 日本にっぽんの元号げんごうの一ひとつ。延暦えんりゃくの次つぎで、弘仁こうにんの前まえ。806年ねん5月がつ18日かから810年ねん9月がつ19日かまでの期間きかんのこと。-大同だいどう (日本にっぽん)
5. 中国ちゅうごく南朝なんちょうの梁はりで使つかわれた元号げんごう（535年ねん - 546年ねん）。- 大同だいどう (梁はり)
6. 中国ちゅうごくの南詔なんしょうで使つかわれた元号げんごう（?年ねん - 888年ねん）- 大同だいどう (南詔なんしょう)
7. 中国ちゅうごく遼りょう王朝おうちょうで使つかわれた元号げんごう（947年ねん）。- 大同だいどう (遼りょう)
8. 中国ちゅうごく金きん王朝おうちょうの時期じきに蒲かばの鮮せん万まん奴やつが建たてた大だい真国まくに（東夏とうか）の私わたくし年号ねんごう（1224年ねん - 1233年ねん）。- 大同だいどう (蒲かばの鮮せん万まん奴め)
9. 中華ちゅうか民国みんこく南京なんきん国民こくみん政府せいふ時期じきに大同だいどう国こくを樹立じゅりつし自立じりつした薛せつ幹臣つねおみが建たてた私わたくし年号ねんごう（1929年ねん）。- 大同だいどう (薛せつ幹臣つねおみ)
10. 満洲まんしゅう国こくで使つかわれた元号げんごう（1932年ねん - 1934年ねん）。- 大同だいどう (満州まんしゅう)
11. 地名ちめい。中国ちゅうごく山さん西にし省しょう北部ほくぶに位置いちする都市とし大同だいどう市し（ダートン市し）等とう。