Definition: not made to sound
Usage: the silent `h' at the beginning of `honor'; in French certain letters are often unsounded
Main entry: unfathomed, unplumbed, unsounded, profound
Definition: situated at or extending to great depth; too deep to have been sounded or plumbed
Usage: the profound depths of the sea; the dark unfathomed caves of ocean-Thomas Gray; unplumbed depths of the sea; remote and unsounded caverns