1. The ability to apply knowledge and skills effectively in real-world situations; competence demonstrated through actual performance rather than theoretical knowledge alone
She demonstrated practical proficiency in software development by completing complex projects independently.
Ela demonstrou proficiência prática em desenvolvimento de software ao completar projetos complexos independentemente.
2. A level of skill or expertise that is functional and sufficient for practical purposes
After six months of training, he achieved practical proficiency in the English language.
Após seis meses de treinamento, ele alcançou proficiência prática na língua inglesa.