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English definition of “unhappy”

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unhappy

adjective  /ʌnˈhæp·i/ us  

unhappy adjective (NOT PLEASED)

not feeling pleasure or satisfaction: It was an unhappy time of her life. They were unhappy about their hotel room (= did not like it) and asked to be moved.

unhappy adjective (NOT LUCKY)

(of a condition or situation) not lucky: We found ourselves in the unhappy situation of having had our bags, passports, and money stolen.
unhappiness
noun [U]  /ʌnˈhæp·i·nəs/ us  
(Definition of unhappy from the Cambridge Academic Content Dictionary © Cambridge University Press)
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