infatuation
US /ɪnˌfætʃ.uˈeɪ.ʃən/
UK /ɪnˌfætʃ.uˈeɪ.ʃən/
1.
an intense but short-lived passion or admiration for someone or something
:
•
His infatuation with the new singer lasted only a few weeks.
•
It was just a youthful infatuation, not true love.