inaptitude

English Thesaurus

1. a lack of aptitude (noun.cognition)

hypernym	:	inability,
definition	:	lack of ability (especially mental ability) to do something (noun.cognition)

hyponym	:	talentlessness,
definition	:	a lack of talent (noun.cognition)

hyponym	:	incapability, incapableness,
definition	:	lack of potential for development (noun.cognition)

antonym	:	aptitude,
definition	:	inherent ability (noun.cognition)

antonym	:	aptitude,
definition	:	inherent ability (noun.cognition)