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See more synonyms for pessimist on Thesaurus.com
  1. a person who habitually sees or anticipates the worst or is disposed to be gloomy.
  2. an adherent of the doctrine of pessimism.
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Origin of pessimist

First recorded in 1830–40; pessim(ism) + -ist
Can be confusedcynic optimist pessimist skeptic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for pessimist


1820, "one who habitually expects the worst" (Knowles' dictionary, 1835, defines it as "A universal complainer"), from 19c. French pessimiste (see pessimism).

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Online Etymology Dictionary, © 2010 Douglas Harper