the act of detaining.

the state of being detained.

maintenance of a person in custody or confinement, esp. while awaiting a court decision.

the withholding of what belongs to or is claimed by another.

of or pertaining to detention or used to detain

the detention room of a police station.

noun

freedom , liberation , release

noun

apprehension , arrest , arrestation , bust * , custody , delay , detainment , hindrance , holding back , holding pen , immurement , impediment , incarceration , internment , keeping in , nab , pen * , pickup , pinch * , quarantine , restraint , retention , time up the river , withholding , charge , confinement , ward , imprisonment