落ち度・落度・越度|おちどochido[1]atamadaka (head-high)

1. nounmistake; error; fault; slip; blunder; omission; oversight; lapse
   私のほうに落ち度おちどはない。↗

   There is no fault on my part.

   喧嘩けんかは落度おちどが一方いっぽうにだけある場合ばあいには、永ながくは続つづかないであろう。↗

   Quarrels would not last long if the fault were only on one side.

• Synonym見落しみおとしNeutralAn oversight — something you fail to notice or check. It stresses what was missed, while 「落ち度」 points to a fault you can be held responsible for.
• Synonym過失かしつWrittenNegligence — a fault arising from carelessness. Mostly a legal term, as in 「過失致死」, and more formal than 「落ち度」.
• Synonym過ちあやまちNeutralA fault or misstep, including moral error; it carries a reflective tone. Broader than 「落ち度」, which stresses blameworthiness.
• Synonym手落ちておちNeutralAn oversight in handling a job or procedure — work not done thoroughly. Very close to 「落ち度」, but typically said of a step in some business or process.
• Synonym失策しっさくNeutralA blunder in judgment or strategy — a wrong move — and, in baseball, a fielding error. It stresses a mistaken decision rather than negligence.
• Synonym間違いまちがいNeutralThe most common everyday word for a mistake. Neutral: it need not imply any fault or responsibility, unlike 「落ち度」.
• Synonym過誤かごWrittenWritten/formal word for an error or fault, typically met in the set phrase 「過誤を犯す」.
• Synonym失敗しっぱいNeutralFailure — something that did not go well or succeed. Its range is broad; 「落ち度」 specifically suggests a fault you should answer for.
• Synonym失態しったいNeutralA blunder that costs you face — an embarrassing lapse in public. It stresses the loss of dignity more than the fault itself.
• SynonymミスNeutralA loanword for a slip or error, common in casual speech. Lighter in tone than 「落ち度」, which implies blame.
• Synonym非ひNeutralWrong or fault in the moral sense, as in 「非を認める」 (admit one's fault). It stresses being in the wrong, not negligence.
• Synonym漏れもれNeutralSomething left out, as in 「記入漏れ」 (an omission on a form); also used for leaks of liquid or gas. It flags one missing item, not blameworthiness.
• Synonym仕損じしそんじNeutralA botched job or fumbled task. Fairly rare; in everyday speech people would say 「失敗」 instead.
• Synonym仕損ないしそこないNeutralMuch the same as 「仕損じ」 — a task that went wrong or was fumbled — with a slightly more colloquial flavor.
• Synonym過怠かたいWrittenNegligence or laxity; in medieval history also a samurai penalty for careless acts. Very rare today.
• Synonym手抜かりてぬかりNeutralAn oversight in preparation or handling — something not covered. Synonymous with 「手落ち」.
• Synonym間違えまちがえCasualColloquial; the spot or act of getting something wrong. Essentially the same meaning as 「間違い」.
• Related錯誤さくごWrittenA mismatch between belief and fact, as in 「時代錯誤」 (an anachronism); also a legal term. Written register.
• Related欠点けってんNeutralA shortcoming or defect, of a person or a plan. It names an enduring weakness, not a one-time fault like 「落ち度」.
• Related誤謬ごびゅうWrittenA fallacy or outright error, mainly in logic and academic writing; strongly formal.
• Related緩怠かんたいWrittenSlackness or neglect of one's duties. Extremely literary and rarely used in modern Japanese.

Use 「落ち度」 for a blamable fault or lapse, as in 「こちらに落ち度はない」. In everyday speech say 「ミス」 or 「間違い」; for legal negligence use 「過失」. 「失敗」 is the broad word for anything that goes wrong, while 「手落ち」 and 「手抜かり」 point to oversights in handling work and 「見落し」 to something simply missed. 「失策」 is a wrong move, 「失態」 an embarrassing lapse, 「欠点」 a lasting weakness. Formal prose has 「過誤」「錯誤」「誤謬」「過怠」「緩怠」; 「仕損じ」「仕損ない」 are rare, 「間違え」 colloquial.

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

1. 非難ひなんされるようなしくじり。