undocumented

adjective

un·doc·u·ment·ed ən-ˈdä-kyə-ˌmen-təd

Synonyms of undocumented

: not documented: such as

: not supported by documentary evidence

undocumented expenditures

: 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.

That year, Canyon County faced three lawsuits from people who alleged they were illegally held in jail, despite posting bond, because the county refused to release them due to their undocumented immigration status. — Rachel Spacek, Los Angeles Times, 28 Aug. 2026 Biden allowed millions of undocumented people to cross into our country, fill our facilities, schools and hospitals at taxpayer expense. — Letters To The Editor, The Orlando Sentinel, 26 Aug. 2026 Instead, Villafranca, undocumented spouses and parents of many other active-duty military personnel have been forced into detention, according to lawyers, advocacy groups and military families. — Catherine Bouvet, ABC News, 24 Aug. 2026 In one of his first moves as education commissioner, Henry Mack has advanced a rule that would block undocumented students from attending the state’s postsecondary career and technical education (CTE) programs. — Ana Goñi-Lessan, Miami Herald, 22 Aug. 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

See more words from the same year

Browse Nearby Words

undoctrinaire

undocumented

undoer

See all Nearby Words

Cite this Entry

Style

“Undocumented.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undocumented. Accessed 1 Sep. 2026.

Copy Citation

undocumented

adjective

Examples of undocumented in a Sentence

Word History

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on undocumented

More from Merriam-Webster

Word of the Day

conscientious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes