UNDOCUMENTED Synonyms: 49 Similar and Opposite Words

undocumented

adjective

Definition of undocumented

as in hypothetical

Related Words

Relevance

Dissimilar Words

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 Newsom also wanted to increase the monthly fee undocumented people pay to keep receiving full benefits to $50 from $30. — Stephen Hobbs, Sacbee.com, 15 Oct. 2026 The encouraging part is that undocumented knowledge isn’t unknowable. — Balaji Sreenivasan, Forbes.com, 13 Oct. 2026 Today's Republican party should take a page from their old playbook and support an amnesty program that would bring millions of undocumented immigrants out of the shadows. — Wcco Staff, CBS News, 13 Oct. 2026 This is almost an invitation to disenfranchisement, especially for the poor and the undocumented. — Isaac Chotiner, New Yorker, 13 Oct. 2026 See All Example Sentences for undocumented

Recent Examples of Synonyms for undocumented

Adjective

Farther from Tau Ceti, where the light was weaker, a hypothetical high-sensitivity camera could reveal them.

— Davide Abbatescianni, Variety, 18 Oct. 2026
In this approach, researchers come up with hypothetical scenarios based on existing technology trends, leaning into certain features.

— Lissa Soep, Vox, 17 Oct. 2026

Definition of hypothetical

Adjective

The author’s latest speculative dystopian fiction features parallel universes that explore alternate realities — and doppelgangers that stumble between the two.

— Emily St. Martin, Los Angeles Times, 12 Oct. 2026
The building, the paper said, reflected how big the speculative side of the oil trade had become.

— Brian C. Black, The Conversation, 9 Oct. 2026

Definition of speculative

Adjective

The wealth tax opponents have applied the age-old technique of mustering superficially plausible, but largely imaginary, consequences of passage.

— Business Columnist, Los Angeles Times, 16 Oct. 2026
The genre gave him considerably more freedom to invent architectural settings, mixing classical ruins, waterways, and figures into elaborate imaginary landscapes.

— Daniel Cassady, ARTnews.com, 15 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

Waller is one of the NFL’s few mythical figures — one whose story precedes his stats, whose name supersedes his acclaim.

— Alex Zietlow, Charlotte Observer, 15 Oct. 2026
With the season’s final two episodes not provided to critics, there’s no way to say yet whether The Lowdown achieves that mythical outcome of all mystery seasons, the Finale That Pulls It All Together.

— Kathryn VanArendonk, Vulture, 14 Oct. 2026

Definition of mythical

Browse Nearby Words

undoctrinaire

undocumented

undoer

See all Nearby Words

Cite this Entry

Style

“Undocumented.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undocumented. Accessed 20 Oct. 2026.

Copy Citation

Synonyms of undocumented

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

compunction

Popular in Grammar & Usage

'Affect' vs. 'Effect'

Merriam-Webster’s Great Big List of Words You Love to Hate

The Exceptions of '-s' and '-es' Plurals

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

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

Popular in Wordplay

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

Did 'orange' the fruit or the color come first?

Popular

'Affect' vs. 'Effect'

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

Games & Quizzes