What is a synonym for profound?

Answer 1

intense, scholarly, superficial, fundamental, significant, important, deep, sincere, acute, , great, keen, extreme, hearty, heartfelt, abject, deeply felt, heartrending, wise, learned, serious, deep, skilled, subtle, penetrating, philosophical, thoughtful, sage, discerning, weighty, insightful, erudite, abstruse, recondite, sagacious, complete, intense, absolute, serious (informal), total, extreme, pronounced, utter, consummate, unqualified, out-and-out, radical, extensive, thorough, far-reaching, exhaustive, thoroughgoing - it all depends on what you mean by profound