definite
US /ˈdef.ən.ət/
UK /ˈdef.ən.ət/

1.
definitivo, claro, certo
clearly stated or decided; not vague or doubtful
:
•
We need a definite answer by tomorrow.
Precisamos de uma resposta definitiva até amanhã.
•
There was a definite improvement in his health.
Houve uma melhora definitiva em sua saúde.
2.
certo, convencido
(of a person) certain or convinced about something
:
•
Are you definite about your decision to move?
Você está certo da sua decisão de se mudar?
•
She was quite definite that she saw him leave.
Ela tinha bastante certeza de que o viu sair.