awkwardness in WordNet English dictionary

1. the carriage of someone whose movements and posture are ungainly or inelegant
   awkwardness  clumsiness 
   
2. the quality of an embarrassing situation
   "he sensed the awkwardness of his proposal"
   awkwardness  nuisance value 
   
3. trouble in carrying or managing caused by bulk or shape
   "the movers cursed the unwieldiness of the big piano"
   awkwardness  cumbersomeness  unwieldiness 
   
4. the inelegance of someone stiff and unrelaxed (as by embarrassment)
   awkwardness  clumsiness  gracelessness  stiffness 
   
5. unskillfulness resulting from a lack of training
   awkwardness  clumsiness  ineptness  ineptitude  maladroitness  slowness 
   

awkwardness in English Wiktionary