default; nonperformance; nonfulfillment
Legal and formal term for failure to perform an obligation, such as a contract or duty.
Nonperformance of a contract may result in liability for damages.
債務不履行で訴えられた。
He was sued for default on his debt.
default on a debt; non-performance of an obligation
breach of contract; nonfulfillment of a contract
Compound of 不 (non-) and 履行 (performance, fulfillment). The latter is from Chinese origin, used in legal and formal Japanese.