[n] trouble in carrying or managing caused by bulk or shape; "the movers cursed the unwieldiness of the big piano"
[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] the quality of an embarrassing situation; "he sensed the awkwardness of his proposal"
[n] unskillfulness resulting from a lack of training