不履行

ふりこう
noun
non-performance; default; breach (of an obligation)
formallegallaw
1. non-performance; default; breach (of an obligation)
Failure to carry out a duty or obligation, especially one set out in a contract. Most often seen in the legal phrase 債務不履行(さいむふりこう) (default on an obligation).
契約(けいやく)の不履行(ふりこう)。
Breach of contract.
義務(ぎむ)の不履行(ふりこう)で訴(うった)えられた。
He was sued for non-performance of his duty.
代金(だいきん)を払(はら)わないのは債務(さいむ)の不履行(ふりこう)にあたる。
Not paying the price constitutes a default on the obligation.

Formed from 不(ふ) (non-) + 履行(りこう) (performance, fulfillment). Mostly appears as the second half of a compound rather than standing alone.

Common collocations

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A formal legal and business term. In everyday speech, people say 約束(やくそく)を守(まも)らない (not keep a promise) instead.

general
Added 2026.7.22 21:20 · Revised 2026.9.2 13:02
30000/30030_furikou