unsounded

Primary Meanings of unsounded

1.
adj
not made to sound
2.
adj
situated at or extending to great depth; too deep to have been sounded or plumbed
Full Definitions of unsounded
1

adj not made to sound

“in French certain letters are often unsounded
Synonyms:
silent
inaudible, unhearable
impossible to hear; imperceptible by the ear
2

adj situated at or extending to great depth; too deep to have been sounded or plumbed

“remote and unsounded caverns”
Synonyms:
profound, unfathomed, unplumbed
deep
having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination

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