ItÃ¢ÂÂs an adjective and it means not having or lacking enthusiasm. If someone is unenthusiastic about something it means they
are feeling indifferent, apathetic, passive, phlegmatic, lukewarm, listless, languid, lethargic, emotionless, perfunctory about it.
IÃ¢ÂÂm unenthusiastic about having Malcolm on the team.
Unenthusiastic: define #2
It is an opposite meaning of enthusiastic. A type of scepticism. If someone doesn’t believe in success.
John was unenthusiastic but gave it a chance for win