depths Synonyms

distance downward bowels rock bottom seven seas international waters high sea astuteness bedrock underside underneath sole oceanic abyss innards penetralium profundities depths of despair solid bottom record low all-time low furthest part lowest point deepest part lowest part interiors recess profundity depth deepness deep core complexity bowel bottom belly bed base draughts extent floor profoundness penetralia nucleus nadir midst middle interior intensity heart foot abyss