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

1.
definitivo, claro, preciso
clearly stated or decided; not vague or doubtful
:
•
We need a definite answer by tomorrow.
Necesitamos una respuesta definitiva para mañana.
•
There was a definite improvement in his health.
Hubo una mejora definitiva en su salud.
2.
seguro, convencido
(of a person) certain or convinced about something
:
•
Are you definite about your decision to move?
¿Estás seguro de tu decisión de mudarte?
•
She was quite definite that she saw him leave.
Estaba bastante segura de que lo vio irse.