接続|せつぞくsetsuzoku[0]heiban (flat)

1. noun, suru verb, transitive verb, intransitive verbconnection; attachment; union; join; joint; link
   インターネットの接続せつぞくが遮断しゃだんされた。↗

   My internet connection was cut off.
2. noun, suru verb, transitive verb, intransitive verbchanging trains
3. noun, suru verb, transitive verb, intransitive verbconjunction

• Synonym結合けつごうNeutralJoining things into one whole; also the term for a chemical bond. 「接続」 is about hooking up the two ends of a line or a transport route.
• Synonym連結れんけつNeutralLinking train cars or parts into one chain, as in 「車両の連結」. 「接続」 stresses getting the two ends connected.
• Synonym接合せつごうNeutralPhysically joining two parts together, as by welding. 「接続」 is about getting a line connected.
• SynonymつなぐNeutralA verb: to tie or link things together, and also to maintain or keep them. 「接続」 is a noun.
• Synonym合わさるあわさるNeutralIntransitive: things come together or match. 「接続」 is joining the two ends.
• Synonymつなぎ合わせるつなぎあわせるNeutralA verb for joining several things together. 「接続」 is a noun with a technical flavor.
• SynonymつなげるNeutralA verb for hooking things up, as in 「線を繋げる」 or 「次に繋げる」. 「接続」 is a noun, leaning toward networks and devices.
• Synonym結び合わせるむすびあわせるNeutralTying things together, or relating items to one another. 「接続」 leans to technical hookup.
• Synonym接ぐつぐNeutralSetting bones, grafting trees, or piecing a broken thing back on. 「接続」 is about lines being connected.
• Synonym結び合わすむすびあわすNeutralRare; tying or binding things together. In everyday speech say 「結び合わせる」; it has nothing to do with hooking up.
• Related連絡れんらくNeutralContact and communication, and also transport links between lines. 「接続」 leans to the connection itself.
• Related乗り換えのりかえNeutralChanging to another train or bus. 「接続」 is the timetable fit between two services.
• Related合同ごうどうNeutralDoing something jointly, as in 「合同説明会」. 「接続」 is a physical connection.
• Related合併がっぺいNeutralMerging companies or municipalities into one, as in 「市町村合併」. 「接続」 is connecting lines or transport.
• Related融合ゆうごうNeutralTwo things fuse into one and their boundaries disappear. With 「接続」 the two ends stay distinct.
• Related合体がったいNeutralBecoming one body — objects or organizations alike, as in 「ロボットが合体する」. 「接続」 just joins the two ends.
• Related合流ごうりゅうNeutralRivers merging, or people meeting up at one spot. 「接続」 is connecting lines or transport.
• Related合わすあわすNeutralA verb for putting two things together or aligning them. 「接続」 is getting a line connected.
• Related合するがっするWrittenA written/formal word for merging or incorporating, as in 「併合」; in daily speech say 「合わせる」.
• Related合一ごういつWrittenA written/formal word for unifying into one; in daily speech say 「一つになる」. It has nothing to do with hooking up.
• Related一緒になるいっしょになるNeutralA set phrase for coming together, also for getting married. 「接続」 is a connection.
• Antonym切断せつだんNeutralAntonym on the connected-or-not axis: cutting a line or path.
• Antonym分離ぶんりNeutralAntonym on the connected-or-not axis: separating things that are joined.
• Antonym遮断しゃだんNeutralAntonym on the connected-or-not axis: blocking a passage, signal or light.

Use 「接続」 for hooking up lines, networks or transport. For linking cars or parts into a chain say 「連結」; the verbs are 「繋ぐ」 and 「繋げる」; for contact use 「連絡」, and for changing trains 「乗り換え」. Words like 「合併」, 「融合」, 「合体」 and 「合流」 are about things merging into one, while 「接続」 keeps the two ends distinct. The main antonym is 「切断」.

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

1. 複数ふくすうのものが繋つながること。複数ふくすうのものを繋つなぐこと。
2. 力ちからの伝達でんたつ路ろや電気でんき回路かいろ、情報じょうほうネットワークなどにおける各部かくぶのつながり。
3. ことなる交通機関こうつうきかんどうしの連絡れんらく。
4. 文ぶんと文ぶんとのつながり。
5. 多様体たようたい上うえに定さだめられた様々さまざまなファイバー束たばについて、ファイバーの間あいだの平行へいこう移動いどうを与あたえる微分びぶん方程ほうてい式しき的てきな概念がいねん。