瑕疵|かしkashi[1]atamadaka (head-high)

1. nounflaw; defect; fault
2. noun, law(legal) fault; flaw

• Synonym傷きずNeutralThe most general term: physical wounds and scratches, but also shortcomings. 「瑕疵」 is narrower, leaning to legal defects in goods or property.
• Synonym欠点けってんNeutralThe everyday word for shortcomings of people or things; the most common choice in speech. Carries no legal nuance.
• Synonym難点なんてんNeutralA difficult point or drawback, as in 「価格が難点」; suggests the one weak spot in something otherwise fine.
• Synonym短所たんしょNeutralShortcomings of people or things, usually paired with 「長所」. No legal nuance.
• Synonym欠陥けっかんNeutralA structural or functional defect, as in 「欠陥住宅」; implies a serious, fundamental problem.
• Synonym弱点じゃくてんNeutralA weak point or soft spot, of people or products, as in 「この商品の弱点は耐久性だ」. No legal nuance.
• Synonym不備ふびWrittenWritten: something incomplete or unprepared, as in 「書類の不備」; typical of paperwork and procedures.
• Synonym弱みよわみNeutralA weakness that can be exploited, as in 「弱みを握られる」, when someone holds leverage over you.
• Synonym疵瑕しかWrittenWritten, very rare: the same two characters reversed, with an archaic air. Refers to faults and errors rather than legal defects.
• SynonymぼろCasualLiterally rags; colloquially a fault or slip, mostly in 「ぼろが出る」, when a hidden fault comes to light.
• Synonym瑕瑾かきんWrittenWritten and more archaic than 「瑕疵」: a small blemish, a minor flaw in something otherwise good.
• Synonym不具合ふぐあいNeutralA malfunction or glitch, said mainly of machines and software, as in 「システム不具合」.
• Related誤りあやまりNeutralAn error in judgment or statement; not a defect in an object itself.
• Related過ちあやまちWrittenWritten: a fault or wrongdoing in conduct or morals, as in 「過ちを犯す」.
• Related泣き所なきどころCasualColloquial: a fatal weak spot, as in 「弁慶の泣き所」; mostly about people or the body.
• Related非ひWrittenWritten: a fault or wrong, as in 「非を認める」; centers on assigning responsibility.
• RelatedデメリットNeutralLoanword for a disadvantage, used when weighing pros and cons, as in 「メリットとデメリット」.
• RelatedウィークポイントNeutralLoanword for a weak point, common in sports and business analysis; never a legal defect.
• Related穴あなNeutralA hole or gap, as in 「計画の穴」; points to something overlooked or missing.
• RelatedミステイクNeutralLoanword for a mistake; in speech usually shortened to 「ミス」. An error of action, not a flaw.
• Related短たんWrittenWritten: a shortcoming, mostly in set phrases like 「長を取り短を補う」; rarely used alone.
• Related痛いところいたいところCasualColloquial: a sore spot, as in 「痛いところを突かれる」, being hit where it hurts.
• Antonym完全かんぜんNeutralAntonym: complete and lacking nothing, the opposite of having a 「瑕疵」.
• Antonym完璧かんぺきNeutralAntonym: flawless perfection, as in 「完璧な仕上がり」; the direct opposite of 「瑕疵」.

Use 「瑕疵」 for quality defects in goods, property or workmanship in legal or contractual contexts, as in 「瑕疵担保責任」. For shortcomings in general say 「欠点」; for wounds and scratches 「傷」; for machine or software glitches 「不具合」; for the opposite, perfection, say 「完璧」.

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

1. きず。欠点けってん。
2. 一般いっぱんに期待きたいされる品質ひんしつを欠かいていること。