plummetless en · ADJ
Etymology
From plummet + -less.
Meanings
-
(not-comparable) Unfathomably deep; unplumbable.
There are other stars in the plummetless heaven.
1881, Samuel Miller Hageman, Once, page 124:[…] and suggests a crowd of problems quite beyond the reach of solution, leading, indeed, into plummetless mystery.
1876, Scottish Rite (Masonic order). Supreme Council for the Northern Jurisdiction, Proceedings of the Massachusetts Council of Deliberation (page 94)