支障|ししょうshishou[0]heiban (flat)

1. nounobstacle; hindrance; impediment; difficulty
   私が行いくことに支障ししょうは何なんもありません。↗

   There is nothing to prevent my going.

• Synonym障害しょうがいNeutralMuch broader: any obstacle, and also disabilities or impairments as in 「障害者」. 「支障」 specifically means something hindering an ongoing task or operation.
• Synonym妨害ぼうがいNeutralInterference or obstruction, usually by people, as in 「業務妨害」, but also from noise or signals, as in 「電波妨害」. 「支障」 stresses the objective impact on work.
• Synonym故障こしょうNeutralRefers to machines breaking down, as in 「エンジン故障」. 「支障」 is about work or plans being hindered, not equipment failing.
• Synonym邪魔じゃまNeutralEveryday word for getting in the way or disturbing someone, as in 「お邪魔します」. 「支障」 is more formal and written in tone.
• Synonym妨げさまたげNeutralA plain noun for something that obstructs, as in 「睡眠の妨げ」. 「支障」 stresses the impact on an operation or business.
• Synonym差し支えさしつかえNeutralHindrance or inconvenience, often in the polite request 「差し支えなければ」. 「支障」 is the more formal, businesslike term.
• Synonym差し障りさしさわりNeutralCovers adverse effects or giving offence, often in the euphemism 「差し障りがある」. 「支障」 is the more formal choice for disrupted operations.
• Synonym障りさわりWrittenWritten style; can mean a hindrance but also illness or menstruation. 「支障」 is far more common and centres on affairs being blocked.
• Related足手まといあしでまといNeutralA drag or burden, usually a person who slows others down, as in 「足手まといになる」. 「支障」 refers to affairs being obstructed.
• Related不都合ふつごうNeutralMeans inconvenient, awkward or improper, as in 「何か不都合でも」. 「支障」 focuses on hindrance to affairs.
• Related邪魔者じゃまものCasualColloquial: a person or thing in the way, a nuisance. 「支障」 is about hindrance to the progress of work, not annoying people.
• Related横槍よこやりNeutralInterference from someone butting in, as in 「横槍を入れる」. 「支障」 covers any hindrance to affairs, not just interruptions.
• Related差し合いさしあいWrittenWritten and rare; hindrance, offence or taboo. In daily use say 「差し支え」 or 「支障」 instead.
• Related足纏いあしまといNeutralA burden or drag, much like 「足手まとい」. 「支障」 is about the progress of affairs being hindered.
• Relatedお荷物おにもつCasualColloquial: literally luggage, figuratively someone who drags a team down, as in 「チームのお荷物」. 「支障」 refers to obstructed work.
• Antonym順調じゅんちょうNeutralAntonym: describes smooth, unobstructed progress, as in 「順調に進む」 — the opposite of affairs being hindered.

Use 「支障」 for something hindering the progress of work or operations, as in 「業務に支障をきたす」. For a euphemism, choose 「差し支え」; for everyday 'in the way', 「邪魔」; for machine breakdowns, 「故障」; for deliberate obstruction or interference, 「妨害」. The antonym is 「順調」.

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

1. 物事ものごとの進行しんこうの妨さまたげとなるもの。