material breach
material breach 重大违约；实质性违约 违约的一种，对方当事人可免于继续履行合同，并有权诉请损害赔偿。而非重大违约则只能请求损害赔偿，通常不能免于继续履行。 (→breach of contract)
material breach
material breach
A breach of contract that is significant enough to permit the aggrieved party to elect to treat the breach as total (rather than partial), thus excusing that party from further performance and affording it the right to sue for damages. [Cases: Contracts 317, 318. C.J.S. Contracts §§ 334, 450–455, 507, 541–544.]