n. 25B6; adjective
profound relief : HEARTFELT, intense, keen, great, extreme, acute, severe, sincere, earnest, deep, deep-seated, overpowering, overwhelming, fervent, ardent.
profound silence : COMPLETE, utter, total, absolute.
a profound change : FAR-REACHING, radical, extensive, sweeping, exhaustive, thoroughgoing.
a profound analysis : WISE, learned, clever, intelligent, scholarly, sage, erudite, discerning, penetrating, perceptive, astute, thoughtful, insightful, percipient, perspicacious; formal sapient.
profound truths : COMPLEX, abstract, deep, weighty, difficult, abstruse, recondite, esoteric.
superficial, mild, slight, simple.