UNFATHOMABLE Synonyms: 99 Similar and Opposite Words

unfathomable

adjective

ˌən-ˈfa-t͟hə-mə-bəl

Definition of unfathomable

as in infinite

being or seeming to be without limits the unfathomable reaches of space

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in incomprehensible

impossible to understand for some unfathomable reason the family decided to venture out into the blizzard

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Antonyms & Near Antonyms

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 unfathomable The unfathomable crime is made even worse because Horner worked for years as a choral teacher in an Oceanside elementary school, Donnelly said. — Carolyn Gusoff, CBS News, 29 July 2026 Google has reported its financial results for the second quarter of 2026 (PDF), and as usual, the search giant raked in an unfathomable amount of money. — Ryan Whitwam, ArsTechnica, 23 July 2026 When Mina’s closest friend Lucy succumbs to his thrall, the enigmatic Professor Van Helsing is summoned to wage war on this unfathomable threat. — Andreas Wiseman, Deadline, 22 July 2026 How does personal responsibility enter into this world of unfathomable dangers? — Gal Beckerman, The Atlantic, 17 July 2026 See All Example Sentences for unfathomable

Recent Examples of Synonyms for unfathomable

Adjective

The novel is about a lifestyle influencer who’s forced to relive her own day-in-the-life vlog in an infinite time loop.

— CT Jones, Rolling Stone, 21 Aug. 2026
The states claim that Meta’s infinite scroll, autoplay, notifications, likes and recommendation systems are designed to keep young people engaged, similar to the way ingredients in tobacco can hook smokers.

— Larry Magid, Mercury News, 20 Aug. 2026

Definition of infinite

Adjective

Doomscrolling on an iPhone, firing endless questions at ChatGPT, or streaming a 4K film on Netflix on your laptop – behind these modern life conveniences lies a high-stakes contest between two Asian technology powers.

— John Liu, CNN Money, 18 Aug. 2026
When the bros hit the road on their seemingly endless Burning Up run, Magnus will be tagging along as opening act on select dates.

— Marissa R. Moss, Rolling Stone, 18 Aug. 2026

Definition of endless

Adjective

Although the bars are not related, all three arrived on the scene under purposefully mysterious circumstances.

— Henri Hollis, AJC.com, 20 Aug. 2026
Dodson update One of the mysterious developments Thursday was linebacker Dodson leaving the field after individual drills.

— Barry Jackson, Miami Herald, 20 Aug. 2026

Definition of mysterious

Adjective

Yesterday’s punk, grunge, and rebel-outsider upstarts have an uncanny way of evolving into today’s elder statesmen of respectable infamy.

— Owen Gleiberman, Variety, 17 Aug. 2026
In Season 2, Armison played Max Sugar, a legendary gambling savant with an uncanny ability to read people like cards in the half-hour series.

— Rosy Cordero, Deadline, 14 Aug. 2026

Definition of uncanny

Adjective

Incomplete, corrupted, untimely, or unintelligible Submissions or Submission Forms will be disqualified.

— August 16, NPR, 16 Aug. 2026
When the surveillance footage resumes about an hour later, a man can be heard shouting, but the words are unintelligible, and a vehicle horn sounds.

— Kansas City Star, Kansas City Star, 10 Aug. 2026

Definition of unintelligible

Adjective

Lynch and co-creator Mark Frost opened an esoteric window to prime-time viewers with the concept of the Black Lodge.

— Amanda Karkoutly, Los Angeles Times, 18 Aug. 2026
My longtime podcast obsession is Omnibus, where Ken Jennings and John Roderick try to talk about an esoteric topic but mostly stray and ramble in the best way possible.

— David Pierce, The Verge, 15 Aug. 2026

Definition of esoteric

Browse Nearby Words

unfathered

unfathomable

unfavorable

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“Unfathomable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfathomable. Accessed 23 Aug. 2026.

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Synonyms of unfathomable

adjective

Example Sentences

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