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detainer

American  
[dih-tey-ner] / dɪˈteɪ nər /

noun

Law.
  1. a writ for the further detention of a person already in custody.

  2. the wrongful detaining or withholding of what belongs to another.


detainer British  
/ dɪˈteɪnə /

noun

  1. the wrongful withholding of the property of another person

    1. the detention of a person in custody

    2. a writ authorizing the further detention of a person already in custody

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of detainer

1610–20; < Anglo-French detener (noun use of infinitive), variant of Old French detenir; see detain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

After taking him to jail, police placed an ICE detainer on him.

From The Wall Street Journal • Mar. 23, 2026

US immigration authorities had placed a detainer on him as part of that case, which is a request for someone who is a non-US citizen to be taken into their custody should they be released.

From BBC • Feb. 27, 2026

In Hernández’s case, records show immigration agents sent the prison notice of a detainer in February 2025, two months after he was sentenced in court.

From Salon • Feb. 19, 2026

But thanks to a newly unveiled criminal indictment and a pending immigration detainer, it’s highly unlikely that he will be returning home to his wife and children anytime soon.

From Slate • Jun. 26, 2025

These suits usually took the shape of trespass and forcible entry and detainer.

From The History of Minnesota and Tales of the Frontier by Flandrau, Charles E. (Charles Eugene)

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