"300655873"@en-us . . "unplumbed"@en-us . "0"^^ . "profound"@en-us . "unsounded"@en-us . "unfathomed"@en-us . . "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\""@en-us . "300691141"@en-us . "300691141"^^ . . "300662093"@en-us . "00691141-a"^^ . . "0.375"^^ . . . . . . "profound"^^ .