undocumented

adjective

un·​doc·​u·​ment·​ed ən-ˈdä-kyə-ˌmen-təd How to pronounce undocumented (audio)
Synonyms of undocumentednext
: not documented: such as
a
: not supported by documentary evidence
undocumented expenditures
b
: lacking documents required for legal immigration or residence
undocumented workers

Examples of undocumented in a Sentence

The company cannot reimburse you for undocumented travel expenses.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to that report, ICE and Border Patrol agents were attempting to arrest an undocumented criminal, while protesters gathered outside a nearby doughnut shop as part of a broader effort to interfere with the operation. Samantha-Jo Roth, The Washington Examiner, 26 Jan. 2026 It was estimated at the time that some 90 people lived on the properties, mostly Latino workers, and some undocumented. Richard Halstead, Mercury News, 26 Jan. 2026 Still, there are existing federal protections for undocumented students or mixed-status families. Erick Trevino, AZCentral.com, 26 Jan. 2026 The agency says over 3,000 undocumented immigrants have been detained as part of the operation. Natalie Neysa Alund, USA Today, 25 Jan. 2026 See All Example Sentences for undocumented

Word History

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of undocumented was in 1867

Browse Nearby Words

Cite this Entry

“Undocumented.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undocumented. Accessed 28 Jan. 2026.

More from Merriam-Webster on undocumented

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