clumsiness

(noun) unskillfulness resulting from a lack of training. Synonyms: awkwardness, ineptness, ineptitude, maladroitness, slowness.

(noun) the carriage of someone whose movements and posture are ungainly or inelegant. Synonyms: awkwardness.

(noun) the inelegance of someone stiff and unrelaxed (as by embarrassment). Synonyms: awkwardness, gracelessness, stiffness.