fathomless
adjUS /ˈfæ.ðəm.ləs/
Etymology From fathom + -less.
1
Very deep (especially of water deeper than a lead line can measure); bottomless, immeasurable.
- Prais’d be the fathomless universe, / For life and joy, and for objects and knowledge curious, / And for love, sweet love—but praise! praise! praise! / For the sure-enwinding arms of cool-enfolding death.1865, Walt Whitman, “When Lilacs Last in the Dooryard Bloom’d”, in Sequel to Drum-Taps: When Lilacs Last in the Dooryard Bloom’d and other poems:
2
Broadly unfathomable or incomprehensible.
- Synonyms
- soundless, ungraspable, unknowable
- Derived terms
- fathomlessly, fathomlessness