unlikely to be favorable or successful, as the weather, a situation, or a career.

Origin of unpromising

First recorded in 1625–35; un-1 + promising
Related formsun·prom·is·ing·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for unpromising



not showing any promise of favourable development or future success
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 unpromising

1660s, from un- (1) "not" + promising (see promise).

Online Etymology Dictionary, © 2010 Douglas Harper