unfathomable

adjective

un·​fath·​om·​able ˌən-ˈfa-t͟hə-mə-bəl How to pronounce unfathomable (audio)
: not capable of being fathomed:
b
: impossible to comprehend
unfathomably adverb

Examples of unfathomable in a Sentence

His behavior is completely unfathomable. the unfathomable reaches of space
Recent Examples on the Web The sudden excellence of reliever Jeremiah Estrada has been unfathomable. Nick Canepa, San Diego Union-Tribune, 1 June 2024 The pain that this has caused me every day of my life — for close to 30 years — is unfathomable for most. Bea L. Hines, Miami Herald, 31 May 2024 One Kentucky father and daughter have unfathomable luck. Charna Flam, Peoplemag, 31 May 2024 The thought that Trump might entirely escape the wrath of voters seemed unfathomable to some. James Rainey, Los Angeles Times, 30 May 2024 See all Example Sentences for unfathomable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unfathomable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1640, in the meaning defined above

Time Traveler
The first known use of unfathomable was in 1640

Dictionary Entries Near unfathomable

Cite this Entry

“Unfathomable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfathomable. Accessed 8 Jun. 2024.

Kids Definition

unfathomable

adjective
un·​fath·​om·​able ˌən-ˈfat͟h-ə-mə-bəl How to pronounce unfathomable (audio)
: not capable of being fathomed:
b
: impossible to understand

More from Merriam-Webster on unfathomable

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