[syn: profundity, profoundness]
The Collaborative International Dictionary of English v.0.48:
Profoundness \Pro*found"ness\, n.
   The quality or state of being profound; profundity; depth.
   --Hooker.
   [1913 Webster]
WordNet (r) 3.0 (2006):
profoundness
    n 1: extremeness of degree; "the profoundness of his ignorance"
    2: wisdom that is recondite and abstruse and profound; "the
       anthropologist was impressed by the reconditeness of the
       native proverbs" [syn: reconditeness, abstruseness,
       abstrusity, profoundness, profundity]
    3: the intellectual ability to penetrate deeply into ideas [syn:
       astuteness, profundity, profoundness, depth,
       deepness]
    4: the quality of being physically deep; "the profundity of the
       mine was almost a mile" [syn: deepness, profundity,
       profoundness] [ant: shallowness]
    5: intellectual depth; penetrating knowledge; keen insight; etc;
       "the depth of my feeling"; "the profoundness of the silence"
       [syn: profundity, profoundness] [ant: shallowness,
       superficiality]