ineptness

in·ept

 (ĭn-ĕpt′)

adj.

1. Lacking or showing a lack of skill or competence; bungling or clumsy: an inept actor; an inept performance.

2. Showing a lack of judgment, sense, or reason; inappropriate or foolish: an inept remark.

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[Latin ineptus : in-, not; see in-¹ + aptus, suitable; see apt.]

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in·ept′ly adv.

in·ept′ness n.

Thesaurus

Noun	1.	ineptness - unskillfulness resulting from a lack of training awkwardness, clumsiness, ineptitude, maladroitness, slowness unskillfulness - a lack of cognitive skill rustiness - ineptitude or awkwardness as a consequence of age or lack of practice; "his rustiness showed when he was asked to speed up"
	2.	ineptness - the quality of having the wrong properties for a specific purpose unsuitability, unsuitableness inappropriateness, unworthiness - the quality of being not particularly suitable or befitting; "he retracted nothing that he had said about the inappropriateness of either a corporeal God or a God who is a person"; "his praise released from her loud protestations of her unworthiness" unfitness - the quality of not being suitable; "the judges agreed on his unfitness for the appointment" inconvenience - the quality of not being useful or convenient quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare