cavernous Synonyms

unsounded socketed sunken sepulchral scyphiform scaphoid roomy reverberant retreating recessed notched navicular lacunose lacunar spacious spongiform subterranean unfathomed porose poriferous cavernlike cavelike nonresidential uncrowded yawning wide voluminous vaulted vast tubular infundibuliform indented dented deep cymbiform cupped creviced concave commodious chambered cavernulous capacious bottomless areolar abyssal dimpled dimply dished incurving incurved