put behind bars

Verb put behind bars has 1 sense

• put behind bars(v = verb.social) gaol, immure, imprison, incarcerate, jail, jug, lag, put away, remand - lock up or confine, in or as in a jail; "The suspects were imprisoned without trial"; "the murderer was incarcerated for the rest of his life"
is one way to confine, detain
Sample sentence:
They want to put behind bars the prisoners