Fathomless
Fathomless adjective - Being or seeming to be without limits.
Usage example: impresses everyone with her fathomless knowledge of wildcats
Vast and fathomless are semantically related. In some cases you can use "Vast" instead an adjective "Fathomless".
Nearby Word: fathom
Vast
Vast adjective - Unusually large.
Fathomless and vast are semantically related. Sometimes you can use "Fathomless" instead an adjective "Vast".
Mutual synonyms
Cite this Source
Vast and Fathomless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fathomless/vast
Fathomless & Vast. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fathomless/vast>.
Vast or Fathomless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fathomless/vast.
Google Ngram Viewer shows how "fathomless" and "vast" have occurred on timeline