[n] the inelegance of someone stiff and unrelaxed (as by embarrassment)
[n] the carriage of someone whose movements and posture are ungainly or inelegant
[n] unskillfulness resulting from a lack of training
\Clum"si*ness\, n. The quality of being clumsy. The drudging part of life is chiefly owing to clumsiness and ignorance. --Collier.