unsounded

from WordNet (r) 3.0 (2006)
unsounded
    adj 1: situated at or extending to great depth; too deep to have
           been sounded or plumbed; "the profound depths of the
           sea"; "the dark unfathomed caves of ocean"-Thomas Gray;
           "unplumbed depths of the sea"; "remote and unsounded
           caverns" [syn: {profound}, {unfathomed}, {unplumbed},
           {unsounded}]
    2: not made to sound; "the silent `h' at the beginning of
       `honor'"; "in French certain letters are often unsounded"
       [syn: {silent}, {unsounded}]