1. The performance or completion of a task, contract, or work that contains flaws, errors, or does not meet specifications
The contractor was penalized for the defective execution of the construction project.
O contratante foi penalizado pela execução defeituosa do projeto de construção.
2. In legal context, the improper or faulty fulfillment of contractual obligations
The client filed a complaint due to the defective execution of the service agreement.
O cliente apresentou reclamação devido à execução defeituosa do contrato de serviço.
3. Poor or flawed implementation of a plan, instruction, or procedure
The software malfunction was caused by defective execution of the installation procedure.
A falha do software foi causada pela execução defeituosa do procedimento de instalação.