UNDOCUMENTED Synonyms: 49 Similar and Opposite Words

undocumented

adjective

Definition of undocumented

as in hypothetical

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Example Sentences

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.

Recent Examples of undocumented Cracking down on undocumented immigration and abolishing Indiana’s property taxes are his top issues. — Post-Tribune, Chicago Tribune, 3 Nov. 2026 After the judge’s ruling, prosecutors considered applying a new Florida law that mandates death sentences for undocumented immigrants convicted of capital offenses, since Lopez Andrade is an undocumented Honduran national. — Grethel Aguila, Miami Herald, 29 Oct. 2026 Sheriff Joe Arpaio, who arrested an Army veteran who held undocumented immigrants at gunpoint and chafed when Thomas wouldn’t prosecute him, soon saw which way the political winds were blowing and signed on as Thomas’ biggest supporter. — Michael Kiefer, Washington Post, 28 Oct. 2026 Experts generally attribute the union’s decline since the 1970s to a combination of leadership decisions, demographic shifts toward a more undocumented workforce and growers adapting to UFW’s organizing tactics. — Sacbee.com, 28 Oct. 2026 See All Example Sentences for undocumented

Recent Examples of Synonyms for undocumented

Adjective

The Supreme Court Despite being asked several times on the campaign trail—thanks to the vacancy left by Antonin Scalia in February 2016—Clinton never revealed her hypothetical pick for late justice’s Supreme Court seat.

— Hugh Cameron, MSNBC Newsweek, 8 Nov. 2026
Often called Planet Nine—poking fun at professional astronomers’ 2006 demotion of Pluto from being the solar system’s ninth planet—this hypothetical body’s existence has been hotly debated, though that hasn’t slowed the search.

— Phil Plait, Scientific American, 6 Nov. 2026

Definition of hypothetical

Adjective

Quantum computing companies like IonQ and D-Wave Quantum are even more speculative, but could be winners long term as challenges to traditional forms of internet security grow more powerful.

— Tobias Burns, CNBC, 11 Nov. 2026
Unlike conventional speculative decoding, which checks generated tokens against a target model, VFlash can accept structurally valid visual predictions without requiring token-by-token agreement.

— Neetika Walter, Interesting Engineering, 6 Nov. 2026

Definition of speculative

Adjective

The new Anthropic models also reportedly solved two theoretical physics problems related to black holes, and identified a way to speed up research into gene therapies.

— Emily Forlini, Fortune, 9 Nov. 2026
That dream was recently proved false, however, when a group of theoretical physicists found that no light-bending material can ever be fully transparent, owing to a quantum process that turns waves of light into waves of sound.

— Matthew von Hippel, Scientific American, 7 Nov. 2026

Definition of theoretical

Adjective

The film was a vision of the future refracted through an imaginary past.

— Literary Hub, Literary Hub, 30 Oct. 2026
The elimination of the imaginary Kong Mountains and knowledge of a shorter travel distance through the dense tropical forest accelerated French colonization of the region.

— Thomas J Bassett, The Conversation, 29 Oct. 2026

Definition of imaginary

Adjective

Moore said that no matter how famous a host or a guest is, or how elaborate and slick a production is, an unauthentic product will not resonate with audiences.

— Yahya Salem, CNN Money, 9 Nov. 2025
Inaccurate debunks Amid the recycled imagery, authentic pictures of National Guard members sleeping on the floor of a federal building in Los Angeles this week were falsely described as old or unauthentic.

— Emma Li, CBS News, 11 June 2025

Definition of unauthentic

Adjective

Yet, for millions living with untreatable neurological conditions, these chimeric rodents represent a crucial step forward — bringing the dark box of the human brain into the light.

— Mrigakshi Dixit, Interesting Engineering, 17 Sep. 2026
In a study published Wednesday in Nature, the Stanford team reported finding types of human cells inside the brains of 3-month-old chimeric mouse pups that are very hard to obtain in a dish.

— Megan Molteni, STAT, 16 Sep. 2026

Definition of chimerical

Adjective

Though not a household name, in certain circles, Celmins has attained near-mythic status.

— Nate Freeman, Vanity Fair, 6 Nov. 2026
The rooms Even the most economical rooms are on point, continuing that mythic, sultry vibe that’s consistent across the resort.

— Condé Nast, Condé Nast Traveler, 30 Oct. 2026

Definition of mythical

Browse Nearby Words

undoctrinaire

undocumented

undoer

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“Undocumented.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undocumented. Accessed 13 Nov. 2026.

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Synonyms of undocumented

adjective

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