後ろ盾・後ろ楯|うしろだてushirodate[0]heiban (flat)

1. nounbacking; support; backer; supporter; patron; sponsor
2. nounshield that protects one's back

• Synonym後援こうえんWrittenWritten and fairly formal: support and sponsorship, as in 「後援会」. Unlike 「後ろ盾」, it names the act of backing rather than the person or power behind you.
• Synonym支持しじNeutralThe most widely used word for support or endorsement, often for opinions and political parties. It does not carry the sense of a patron behind you.
• Synonym後押しあとおしCasualColloquial: a push from behind, backing that moves someone along. It stresses the impetus given, while 「後ろ盾」 stresses the standing backer.
• SynonymサポートNeutralLoanword for support, including after-sales support. Very common in speech, but it carries no sense of a patron standing behind you.
• SynonymバックアップNeutralLoanword: backing an activity or candidate from behind; also covering for a teammate in sports or backing up data. No sense of a long-term patron.
• Synonym肩入れかたいれCasualColloquial: partial, emotionally charged support for one side; it is personal favoritism, not the backing of a powerful patron.
• Synonym援護えんごWrittenWritten: covering someone to protect them from attack, with a military flavor; the emphasis is on protection, not on backing.
• Related応援おうえんNeutralCheering people on or reinforcing them; the support can be momentary or long-term. It is encouragement and aid, not a behind-the-scenes backer.
• Related加担かたんWrittenWritten: taking sides and joining in, often pejorative, implying complicity in wrongdoing. 「後ろ盾」 is neutral backing.
• Related賛助さんじょFormalFormal: approving a project's aims and helping it, used mostly for events and exhibitions; not a personal backer.
• Related援助えんじょWrittenWritten: giving labor, money or goods to help people or groups in trouble; it does not stress a patron relationship.
• Related支援しえんNeutralA broad word for support and aid, stressing concrete acts of helping rather than the backing presence of 「後ろ盾」.
• Related補助ほじょWrittenWritten: assistance that supplements what is lacking, as in 「補助金」 (subsidy). It fills a gap rather than backing someone from behind.
• Related助成じょせいFormalFormal: funding and fostering, typically grants from governments or foundations, as in 「助成金」. Not a word for a personal backer.
• Related扶助ふじょWrittenWritten: aid and support, used mostly in social-welfare contexts such as 「相互扶助」 (mutual aid).
• Related加勢かせいCasualColloquial: reinforcements or joining a fight on someone's side. It is help in a struggle, not a long-term backer.
• Related助力じょりょくWrittenWritten: lending a hand, contributing one's share of effort to another's work. It does not imply standing behind someone as a patron.
• Related助け舟たすけぶねCasualColloquial metaphor: a timely rescue, help that pulls someone out of a crisis. It is momentary relief, not ongoing backing.
• Related力添えちからぞえCasualColloquial and often honorific as 「お力添え」: helping out, lending assistance. The stress is on practical help, not on backing from behind.
• Related協賛きょうさんFormalFormal: co-sponsorship, typically companies backing an event. It names institutional sponsorship, never a personal patron.
• Related尻押ししりおしCasualColloquial: pushing or backing someone from behind; it can also mean the instigator who does the pushing.
• Related支えささえNeutralA prop or mainstay, physical or emotional, as in 「心の支え」 or 「家計の支え」. It is what holds you up, not a behind-the-scenes patron.
• Related助太刀すけだちCasualColloquial: originally drawing one's sword to help in a duel; now joining someone's side to help out generally. Not about steady backing.

Use 「後ろ盾」 for a person or force that backs you from behind and keeps supporting you, as in 「強力な後ろ盾を得る」. For formal support say 「後援」 or 「支持」; for a push that moves someone along, 「後押し」; for concrete aid, 「支援」 or 「援助」; for companies co-sponsoring an event, 「協賛」. The rest cover narrower shades: cheering (「応援」), subsidies (「補助」「助成」), welfare aid (「扶助」), covering from attack (「援護」), and more.

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

1. 陰かげで援助えんじょすること。その人ひと。パトロン。後ろ見うしろみ。
2. 背後はいごを守まもる盾たて。後うしろを防ふせぐもの。