Meanings
adjectiveunfathomless (comparative more unfathomless, superlative most unfathomless)
comparative more unfathomless · superlative most unfathomless
- proscribedfathomless
I painted myself an admirer of all that was strong: a rocky mountain, an unfathomless abyss, […]
1957, Enrique K. Laygo, Masks, page 149
Origin
Presumably by confusion of unfathomed (or unfathomable) and fathomless.
Full word history & related roots →Cite this entry
APA
unfathomless. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unfathomless
MLA
“unfathomless.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unfathomless. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “unfathomless,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unfathomless.
Source: unfathomless on Wiktionary, CC BY-SA 4.0.