under- + enthused
underenthused (comparative more underenthused, superlative most underenthused)
- Insufficiently enthused.
2008 April 10, Brooks Barnes, “What’s Big and Green, and Desperate to Be a Hit All Over?”, in New York Times:
- Even Stan Lee, a creator of the Hulk and Iron Man characters, seems underenthused about the prospects of his green baby.