Main Entry: ¹pro·found

Pronunciation: \prə-ˈfau̇nd, prō-\

Function: adjective

Etymology: Middle English, from Anglo-French parfunt, profond deep, from Latin profundus, from pro- before + fundus bottom — more at pro-, bottom

Date: 14th century

1 a : having intellectual depth and insight b : difficult to fathom or understand
2 a : extending far below the surface b : coming from, reaching to, or situated at a depth : deep-seated <a profound sigh>
3 a : characterized by intensity of feeling or quality b : all encompassing : complete <profound sleep> <profound deafness>

— pro·found·ly \-ˈfau̇n(d)-lē\ adverb

— pro·found·ness \-ˈfau̇n(d)-nəs\ noun