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English definition of “enthusiasm”

enthusiasm

noun [C/U]  /ɪnˈθu·ziˌæz·əm/ us  
a feeling of energetic interest in a particular subject or activity and a desire to be involved in it, or a subject that produces such a feeling: [U] I find that I’m losing my enthusiasm for the game. [C] Parents need to share their enthusiasms with their children.
enthusiastic
adjective  /ɪnˌθu·ziˈæs·tɪk/ us  
You don’t seem very enthusiastic about the movie.
enthusiastically
adverb  /ɪnˌθu·ziˈæs·tɪk·li/ us  
She was welcomed enthusiastically by the crowd.
(Definition of enthusiasm from the Cambridge Academic Content Dictionary © Cambridge University Press)
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