fathomless

adjective

fath·​om·​less ˈfa-t͟həm-ləs How to pronounce fathomless (audio)
: incapable of being fathomed : immeasurable
fathomless powers of gravity and chemistryR. W. Emerson
fathomlessly adverb
fathomlessness noun

Examples of fathomless in a Sentence

impresses everyone with her fathomless knowledge of wildcats
Recent Examples on the Web
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.
Half-brothers Wirt and Greg certainly have their disagreements during their journey through the Unknown, but what bonds them in the end, like Lucy carrying her tired little brother Linus home to bed in Great Pumpkin, is fathomless love. Daniel Dockery, Vulture, 17 Oct. 2025 This snowballing controversy over seemingly simple pieces of paper launched endless online arguments, dominated the news cycle, and gradually began to serve as a microcosm of the fathomless ideological rift among Americans, many of whom view the Israeli-Palestinian conflict as a zero sum game. Josh Weiss, Forbes.com, 8 Sep. 2025 Glaciers of the Pleistocene epoch, which retreated about 14,000 years ago, left behind the rolling landscape of craggy granite peaks, sloping valleys, and fathomless lakes. Alex Tzelnic, Outside Online, 6 June 2025 The sky is vast and fathomless. Brian T. Allen, National Review, 15 Feb. 2025 See All Example Sentences for fathomless

Word History

First Known Use

1638, in the meaning defined above

Time Traveler
The first known use of fathomless was in 1638

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Cite this Entry

“Fathomless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fathomless. Accessed 29 Oct. 2025.

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