This is the 4349th most frequent Portuguese word.
aplicado
"Dedicated" or "diligent."
In this sentence, 'aplicado' is used as an adjective describing the student's dedication to their studies.
O estudante é muito aplicado nos estudos.
The student is very dedicated in their studies.
Here, 'aplicou' is the past tense of the verb 'aplicar' and refers to utilizing or implementing knowledge.
Ele aplicou os conhecimentos adquiridos no projeto.
He applied the knowledge acquired in the project.
In this usage, 'aplicado' is the past participle of the verb 'aplicar' and indicates that the product was used or put into action in different contexts.