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

Synonyms & Similar Words

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 With an unfathomable sense of awareness in everything from feel on the field to relationships, part of what makes him as special off the field as on. — Kansas City Star, 9 Oct. 2026 That might seem almost unfathomable to anyone familiar with the last few years of FSU football, but there's still the lingering questions of Norvell's buyout now coupled with a new AD trying to get his footing in an absolute mess of a situation. — Austin Perry Outkick, FOXNews.com, 29 Sep. 2026 Hasan deftly handles political seriousness and an unfathomable history and present of war and punitive state violence against Palestinians. — Matthew Carey, Deadline, 21 Sep. 2026 Dolphins fandom has been a miserable existence for more than a quarter century now, and for reasons that extend well beyond the unfathomable 25-year playoff victory drought in a league that prioritizes parity. — Barry Jackson, Miami Herald, 20 Sep. 2026 See All Example Sentences for unfathomable

Recent Examples of Synonyms for unfathomable

Adjective

For one thing, social media has gotten far less social since the advent of engagement algorithms and infinite scroll.

— Allison Parshall, Scientific American, 20 Oct. 2026
Christ Jesus revealed the true nature of God as infinite good and the true nature of His children as spiritual, reflecting God’s qualities.

— The Christian Science Monitor, Christian Science Monitor, 19 Oct. 2026

Definition of infinite

Adjective

Days before the openings, the prospect of showing across his hometown still seemed to Hodges about as incomprehensible as a dream.

— Tara Anne Dalbow, Los Angeles Times, 21 Oct. 2026
Stanton’s confession ends up being incomprehensible to anyone but himself—an irony that McCarthy, with his partiality for secret codes, seems to take great pleasure in.

— Max Callimanopulos, New Yorker, 14 Oct. 2026

Definition of incomprehensible

Adjective

While snug, these one-person rooms pack endless character between their four walls.

— Condé Nast, Condé Nast Traveler, 28 Oct. 2026
Platforms harvest data on kids’ habits, moods, ages, genders, emotional states, and vulnerabilities and produce endless content and ads that keep users hooked.

— Amy L. Kennedy, Fortune, 27 Oct. 2026

Definition of endless

Adjective

For many people, however, the presentation instead bears an uncanny and unfortunate resemblance to imagery used in Nazi-era Germany.

— Chuck Schilken, Los Angeles Times, 23 Oct. 2026
The man does seem to have an uncanny ability to pick projects that will have a long shelf life — everything from Up in Smoke and Harold and Maude to Singles, Steel Magnolias, Poison Ivy, and Contact.

— Bilge Ebiri, Vulture, 23 Oct. 2026

Definition of uncanny

Adjective

In fact, it is rooted in the same rhetoric as the black box metaphor, which similarly blurs the complex aspects of AI by framing inner workings as confined and unintelligible.

— Trent Wintermeier, The Conversation, 19 Oct. 2026
Painter expressed concern that paper trail may one day become unintelligible if AI models begin using their own language to track their steps.

— Lisa Eadicicco, CNN Money, 16 Oct. 2026

Definition of unintelligible

Adjective

Berg, working with DP Jacques Jouffret, favors close shots that force us to experience battle much like our heroes do, as confusing, terrifying bursts of mayhem.

— Angie Han, HollywoodReporter, 23 Oct. 2026
However, by creating official federal standards for their color, brightness, and location, NHTSA wants to make sure that any automaker who chooses to add them uses a consistent, legal setup instead of a confusing mix of different colors and signals.

— Andrew J. Hawkins, The Verge, 23 Oct. 2026

Definition of confusing

Adjective

Solid-state physics in its early days was just an esoteric exercise to satisfy curiosity.

— Mattanjah de Vries, Chicago Tribune, 28 Oct. 2026
Christie’s confidence that the canvas will hit its mark is based on a far more esoteric criterion, as Max Carter, the house’s global chair of twentieth- and twenty-first-century art, told Artnet News.

— News Desk, Artforum, 26 Oct. 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 28 Oct. 2026.

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Synonyms of unfathomable

adjective

Example Sentences

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