This is the 694th most frequent Spanish word.
detenidos
"Detenidos" means "detained" or "arrested individuals."
Here, 'detenidos' is used as an adjective to describe people who are stationary or still.
Algunos participantes estaban detenidos frente a la entrada, esperando a que abrieran las puertas.
Some participants were standing still in front of the entrance, waiting for the doors to open.
'Detenidos' is applied as a descriptive term indicating that the trains were halted.
Los trenes estaban detenidos debido a una falla eléctrica en la red.
The trains were stopped due to an electrical failure in the network.
In this sentence, 'detenidos' is used as the past participle of the verb 'detener', implying that the action of detaining occurred in the past.