[ uhn-der-hwelm, -welm ]
/ ˌʌn dərˈʰwɛlm, -ˈwɛlm /
verb (used with object) Informal.
to fail to interest or astonish: After all the ballyhoo, most critics were underwhelmed by the movie.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for underwhelm
/ (ˌʌndəˈwɛlm) /
(tr) to make no positive impact or impression on; disappoint
Word Origin for underwhelm
C20: originally a humorous coinage based on overwhelm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012