[pro.found] adj [ME, fr. MF profond deep, fr. L profundus, fr. pro- before + fundus bottom--more at pro-, bottom] (14c) 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 ~ sigh" 3 a: characterized by intensity of feeling or quality b: all encompassing: complete "~ sleep" -- pro.found.ly adv -- pro.found.ness n
[2]profound n (1621) archaic: something that is very deep; specif: the depths of the sea