unhappiness
noun /ʌnˈhæpinəs/
  /ʌnˈhæpinəs/
 [uncountable]Word Family
- happy adjective (≠ unhappy)
- happily adverb (≠ unhappily)
- happiness noun (≠ unhappiness)
- the feeling of being sad or not being happy- Her unfaithful husband was causing her deep unhappiness.
 
- unhappiness (about/at/with something) the feeling of not being pleased or satisfied with something- He expressed his office's unhappiness about the way the regulations were made.