unsounded

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

adjective situated at or extending to great depth; too deep to have been sounded or plumbed; ; -Thomas Gray
adjective not made to sound

From un- + sounded.

And all the time, lo! that smiling sky, and this unsounded sea! — Moby Dick; Or, The Whale, Herman Melville
His imagination is the most conspicuous, buoyed up by swelling billows over unsounded depths. — Imaginary Conversations and Poems: A Selection, Walter Savage Landor
Exit Guise cum Mont[surry]. Mons. O the unsounded sea of womens bloods, That when tis calmest, is most dangerous! — Bussy D'Ambois and The Revenge of Bussy D'Ambois, George Chapman

profound, unfathomed, unplumbed

Type a word, a sentence, a book title, or a link to an English article. WordNet and the Classics answer.

Try

A library of classics · a vault of words · instant etymology & meaning