Also found in: Idioms.
tr.v. un·der·whelmed, un·der·whelm·ing, un·der·whelms
To fail to excite, stimulate, or impress: "He is just as entitled to be underwhelmed by the prospect of reigning over a fourth-class nation as the rest of us are by the prospect of living in it" (Peter Jay).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(tr) to make no positive impact or impression on; disappoint
[C20: originally a humorous coinage based on overwhelm]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
un•der•whelm(ˌʌn dərˈʰwɛlm, -ˈwɛlm)
to fail to interest or astonish.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: underwhelmed
Collins English Verb Tables © HarperCollins Publishers 2011