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Showing results for unfathomable. Search instead for unfathomabl.
Definitions

unfathomable

[uhn-fath-uh-muh-buhl] / ʌnˈfæð ə mə bəl /
ADJECTIVE
bottomless
Synonyms
STRONGEST
boundless immeasurable infinite
WEAK
abysmal deep eternal soundless unending unmeasured unplumbed
Antonyms
STRONGEST
bounded calculable finite limited measurable
WEAK
believable comprehensible explainable explicable fathomable
ADJECTIVE
hard to believe; difficult to understand
Synonyms
STRONGEST
baffling impenetrable incomprehensible indecipherable inexplicable unknowable
WEAK
abstruse clear as mud deep enigmatic esoteric heavy incognizable obscure profound too deep uncomprehensible ungraspable unintelligible
Antonyms
STRONGEST
clear comprehensible intelligible understandable
WEAK
believable explainable explicable fathomable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Buying a $1 million building — even if you’re sharing it with tenants — may simply feel unfathomable to them.

From MarketWatch • Apr. 3, 2026

"If much younger people are being affected, why is the threshold so high for us to be diagnosed and diagnosed at an early stage? It just is unfathomable to me."

From BBC • Mar. 31, 2026

At this time we ask for the privacy to grieve this unfathomable loss.

From Los Angeles Times • Feb. 24, 2026

In the movie, Charli contends with the unfathomable triumph of “Brat” while fielding brand deal offers and label demands that reek of the capitalist desperation to extend the “Brat” era as long as possible.

From Salon • Feb. 8, 2026

As many years of unfathomable experience as he had, this was hard for him, too.

From "Twilight" by Stephenie Meyer