noun (n)

• unskillfulness resulting from a lack of training(noun.cognition)

  Synonym:
  clumsiness, ineptitude, ineptness, maladroitness, slowness
  

  source: wordnet30
• the quality of an embarrassing situation(noun.attribute)

  Example:
  He sensed the awkwardness of his proposal.
  

  Synonym:
  nuisance value
  

  source: wordnet30
• the carriage of someone whose movements and posture are ungainly or inelegant(noun.attribute)

  Synonym:
  clumsiness
  Antonym:
  gracefulness
  

  source: wordnet30
• the inelegance of someone stiff and unrelaxed (as by embarrassment)(noun.attribute)

  Synonym:
  clumsiness, gracelessness, stiffness
  

  source: wordnet30
• trouble in carrying or managing caused by bulk or shape(noun.attribute)

  Synonym:
  cumbersomeness, unwieldiness
  

  source: wordnet30