Deep

the central and most intense or profound part

a long steep-sided depression in the ocean floor

literary term for an ocean

relatively deep or strong

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

very distant in time or space

intense or extreme

having or denoting a low vocal or instrumental range

strong

relatively thick from top to bottom

extending relatively far inward

(of darkness) densely dark

large in quantity or size

with head or back bent low

of an obscure nature

difficult to penetrate

exhibiting great cunning usually with secrecy

to a great depth

to an advanced time

to a great distance