causing detriment, as loss or injury; damaging; harmful.


a detrimental person or thing.

Origin of detrimental

First recorded in 1650–60; detriment + -al1
Related formsdet·ri·men·tal·i·ty, det·ri·men·tal·ness, noundet·ri·men·tal·ly, adverbnon·det·ri·men·tal, adjectivenon·det·ri·men·tal·ly, adverbpre·det·ri·men·tal, adjectiveun·det·ri·men·tal, adjectiveun·det·ri·men·tal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for detrimental

Contemporary Examples of detrimental

Historical Examples of detrimental

British Dictionary definitions for detrimental



(when postpositive, foll by to) harmful; injurious; prejudicialsmoking can be detrimental to health
Derived Formsdetrimentally, adverb
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 detrimental

1650s; see detriment + -al (1). Related: Detrimentally.

Online Etymology Dictionary, © 2010 Douglas Harper