1. The failure to fulfill an obligation, contract, or duty in accordance with agreed-upon terms or standards; performance that does not meet specifications or expectations
The contractor's defective performance resulted in a lawsuit for breach of contract.
O cumprimento defeituoso do contrato resultou em uma ação judicial por quebra de contrato.
2. In legal contexts, performance of a contractual obligation that is incomplete, late, or does not conform to the terms agreed upon
The buyer claimed defective performance due to late delivery of goods.
O comprador reclamou cumprimento defeituoso devido à entrega tardia da mercadoria.