This is the 2484th most frequent Spanish word.
adelantado
"Adelantado" means "advanced" or "ahead" in English.
Here, 'adelantado' describes someone as being advanced or ahead in development or abilities compared to their expected norm.
Este niño es muy adelantado para su edad.
This child is very advanced for his age.
In this instance, 'adelantado' is used to indicate that the clock shows a time that is ahead of the actual clock time.
El reloj está adelantado diez minutos.
The clock is ten minutes ahead.
Here, 'adelantados' indicates being ahead of schedule or early concerning a task or deadline.