noun (n)

• physical discomfort (as mild sickness or depression)(noun.state)

  Synonym:
  malaise, uneasiness
  

  source: wordnet30
• the trait of seeming ill at ease(noun.attribute)

  Synonym:
  disquiet, uneasiness
  

  source: wordnet30
• Want of ease; uneasiness.(noun)

  source: webster1913