(used especially of ideas or principles) deeply rooted; firmly fixed or held; "deep-rooted prejudice"; "deep-seated differences of opinion"; "implanted convictions"; "ingrained habits of a lifetime"; "a deeply planted need"
1
deep
having great spatial extension or penetration; downward ("a deep well"; "a deep dive"; "deep water"; "a deep casserole"); or inward from an outer surface ("a deep gash"; "deep massage"; "deep pressure receptors in muscles"); or backward ("deep shelves"; "
