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.
failing to make a positive impact or impression; disappointing
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
underwhelming[ˌʌndəˈwelmɪŋ] ADJ (hum) [response, applause] → poco entusiasta; [results, performance] → poco satisfactorio
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005