seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"
having no limits in range or scope; "to start with a theory of unlimited freedom is to end up with unlimited despotism"- Philip Rahv; "the limitless reaches of outer space"
situated at or extending to great depth; too deep to have been sounded or plumbed; "the profound depths of the sea"; "the dark unfathomed caves of ocean"-Thomas Gray; "unplumbed depths of the sea"; "remote and unsounded caverns"
coming from deep within one; "a profound sigh"
of the greatest intensity; complete; "a profound silence"; "a state of profound shock"
showing intellectual penetration or emotional depths; from the depths of your being; "the differences are profound"; "a profound insight"; "a profound book"; "a profound mind"; "profound contempt"; "profound regret"