Search Result for "inaptitude": 
Wordnet 3.0

NOUN (1)

1. a lack of aptitude; 



The Collaborative International Dictionary of English v.0.48:

Inaptitude \In*apt"i*tude\, n. [In- + aptitude: cf. F.
   inaptitude. Cf. Ineptitude.]
   Lack of aptitude.
   [1913 Webster]


WordNet (r) 3.0 (2006):

inaptitude
    n 1: a lack of aptitude [ant: aptitude]