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.
In an unsigned email, a Department of Homeland Security spokesperson said the department could not comment on active investigations but reinforced its commitment to charging and deporting undocumented immigrants who have unlawfully voted. — Jack Harvel, Kansas City Star, 3 Sep. 2026 Coast Guard officials rescued 37 people, suspected to be undocumented migrants, and brought them to the Coast Guard base in Long Beach. — Terry Castleman, Los Angeles Times, 3 Sep. 2026 Fragmented systems, inconsistent data, undocumented business logic and years of workarounds will show up in the quality and reliability of what gets produced. — Atul Sabharwal, Forbes.com, 2 Sep. 2026 Simplified accounts of the ruling, combined with confusion over Spain’s separate plan to regularize hundreds of thousands of undocumented migrants, were circulated online as evidence that migrants reaching Spanish territory would be allowed to stay. — Efrat Lachter, FOXNews.com, 1 Sep. 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

undoctrinaire
undocumented
undoer
See all Nearby Words

Cite this Entry

“Undocumented.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undocumented. Accessed 7 Sep. 2026.

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