prisoner

noun

pris·​on·​er ˈpriz-nər 

ˈpri-zᵊn-ər

1

: a person deprived of liberty and kept under involuntary restraint, confinement, or custody

especially : one on trial or in prison

2

: someone restrained as if in prison

a prisoner of her own conscience

see also:

take-no-prisoners take no prisoners

Synonyms of prisoner

• captive
• capture

Examples of prisoner in a Sentence

He was captured by rebel forces and kept as their prisoner for several months before they set him free.

The families were held prisoner for four days.

Recent Examples on the Web

The charges follow a military report released in 2020 that found evidence that elite Australian Special Air Service and commando regiment troops unlawfully killed 39 Afghan prisoners, farmers and other noncombatants. —ABC News, 8 Apr. 2026

The Strike chronicles the 2013 hunger strike by 30,000 prisoners at Pelican Bay, a supermax prison notorious for its use of solitary confinement, highlighting the personal stories of the hunger strikers and the broader implications of their resistance. —Brande Victorian, HollywoodReporter, 7 Apr. 2026

Both Gomez and Pérez argue that the Cuban government often labels common prisoners as political detainees when announcing releases. —Ivan Taylor, CBS News, 7 Apr. 2026

In 2023, the jail’s administration confirmed 18 total deaths of prisoners in custody. —Melissa Rudy, FOXNews.com, 7 Apr. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing prisoner

• co-prisoner
• political prisoner
• prisoner of conscience
• prisoner of war
• prisoner's base
• take (someone) prisoner

Kids Definition

prisoner

noun

pris·​on·​er ˈpriz-nər 

-ᵊn-ər

: a person who has been captured or locked up

Legal Definition

prisoner

noun

pris·​on·​er

: a person deprived of liberty and kept under involuntary restraint, confinement, or custody

especially : one under arrest, awaiting trial, on trial, or serving a prison sentence