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detrimental

[de-truh-men-tl]
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adjective
  1. causing detriment, as loss or injury; damaging; harmful.
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noun
  1. a detrimental person or thing.
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for detrimental

detrimental

adjective
  1. (when postpositive, foll by to) harmful; injurious; prejudicialsmoking can be detrimental to health
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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

adj.

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

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Online Etymology Dictionary, © 2010 Douglas Harper