"a long steep-sided depression in the ocean floor"
"literary term for an ocean"
"relatively deep or strong; affecting one deeply"
"marked by depth of thinking"
"having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination"
"very distant in time or space"
"intense or extreme"
"having or denoting a low vocal or instrumental range"
"strong; intense"
"relatively thick from top to bottom"
"extending relatively far inward"
"large in quantity or size"
"with head or back bent low"
"of an obscure nature"
"difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge"