Inaptitude
Pronunciation : In*apt"i*tude
Part of Speech : n.
Etymology : [In- + aptitude: cf. F. inaptitude. Cf. In.]
Definition : Defn: Want of aptitude.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder