付帯・附帯|ふたいfutai[0]heiban (flat)

Common
Which spelling to use
付帯付帯 is the more common kanji-only spelling and the form recommended for learners to use.
附帯附帯 is a less common kanji-only written variant; learners should recognize it but normally choose 付帯 instead.
Definitions
  1. suru verb, intransitive verb, no-adjectiveincidental; ancillary; accessory; secondary; collateral
Conjugation
Dictionary form付帯する(ふたいする)
Polite (masu)付帯します(ふたいします)
Negative (nai)付帯しない(ふたいしない)
polite (masen)付帯しません(ふたいしません)
classical zu / nu付帯せず・付帯せぬ(ふたいせず・ふたいせぬ)
Past (ta)付帯した(ふたいした)
polite (mashita)付帯しました(ふたいしました)
Past negative (nakatta)付帯しなかった(ふたいしなかった)
polite (masen deshita)付帯しませんでした(ふたいしませんでした)
Te form付帯して(ふたいして)
Potential付帯できる(ふたいできる)
Passive付帯される(ふたいされる)
Causative付帯させる(ふたいさせる)
Causative passive付帯させられる(ふたいさせられる)
Conditional (ba)付帯すれば(ふたいすれば)
tara付帯したら(ふたいしたら)
Volitional付帯しよう(ふたいしよう)
polite (mashou)付帯しましょう(ふたいしましょう)
Imperative付帯しろ(ふたいしろ)

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

Synonyms & antonyms
  • Synonym付随ふずいWrittenWritten. For things occurring with something, stressing naturally accompanying phenomena, as in 「付随する問題」; 「付帯」 stresses clauses or facilities attached to a main subject.
  • Related付するふするWrittenWritten literary verb for affixing something or handing it over to be dealt with, as in 「会議に付する」; it does not describe an accessory relationship.
  • Related添うそうNeutralNative Japanese verb for accompanying someone or meeting expectations, as in 「期待に添う」; not used for attached clauses.
  • Related伴うともなうNeutralThe most versatile verb for accompanying or bringing something in its wake, as in 「危険を伴う」; more colloquial than 「付帯」.
  • Related随伴ずいはんWrittenWritten. Attending or accompanying someone, also things occurring alongside something else, as in 「随伴症状」 and 「随伴現象」.
  • RelatedくっつくCasualColloquial verb for sticking together or staying close, stressing physical adhesion or two people becoming intimate.
  • Related付すふすWrittenWritten literary verb, same as 「付する」: to affix or hand over for handling, as in 「審議に付す」 or 「不問に付す」 (leave a matter untouched).
  • Relatedついて回るついてまわるNeutralIdiomatic phrase for following like a shadow, often said of troubles or a reputation one cannot shake off; colloquial.
  • Antonym分離ぶんりNeutralAntonym: separation, the opposite of 「付帯」 as attachment to a main subject.
  • Antonym独立どくりつNeutralAntonym: independence, the opposite of 「付帯」 as dependence on a main subject.

Use 「付帯」 for clauses, facilities, or business attached to a contract or main subject, as in 「付帯条件」「付帯設備」「付帯決議」; for phenomena arising alongside, say 「付随」; for general accompaniment, 「伴う」; the opposite is 「独立」.

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

Japanese definitions
  1. つけ加くわえること
  2. (附帯ふたいの書き換かきかえ)主ぬしとなるものにつき随したがうこと。伴ともなうこと
Kanji in this word
English equivalents

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android