- to be or become enthusiastic; show enthusiasm: All the neighbors enthused over the new baby.
- to cause to become enthusiastic.
Origin of enthuse
1820–30, Americanism; back formation from enthusiasm
The verb enthuse is a 19th-century back formation from the noun enthusiasm. Originally an Americanism, enthuse is now standard and well established in the speech and all but the most formal writing of educated persons, in both Britain and the United States. It is used as a transitive verb meaning “to cause to become enthusiastic” ( The liveliness of the dance enthused the audience ) and as an intransitive verb meaning “to show enthusiasm” ( She enthused warmly over his performance ). Despite its long history and frequent occurrence, however, enthuse is still strongly disapproved of by many.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unenthused
Unenthused, he left in 2007 and applied for a job at Facebook.Thank Ukraine's Spies for WhatsApp
February 21, 2014
I imagine John Adams would have had been unenthused if John Quincy had come home with a clip-on tie.In Praise of Clip-on Ties
The Daily Beast
May 30, 2013
Republicans have reason to be unenthused—and to wonder whether Romney can recover.How Mitt Romney Can Win the First Debate With Obama
September 25, 2012
- to feel or show or cause to feel or show enthusiasm
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
Word Origin and History for unenthused
1827, American English, back-formation from enthusiasm. Originally often humorous or with affected ignorance. Related: enthused; enthusing.
Online Etymology Dictionary, © 2010 Douglas Harper