unimpressed, unmoved, disappointed by lack of cerebral prowess or performance, failure to meet expectations, failure to provide evidence to support arguments
His performance did not wow me at all, I was totally underwhelmed.
by go big or go home January 01, 2004
1 more definition
Antonym of overwhelmed.
I was underwhelmed with the new vacation spot.
by geogoldman June 01, 2009