We found 28 dictionaries that define the word pessimist:

General (23 matching dictionaries)

1. pessimist: Longman Dictionary of Contemporary English
2. pessimist: Merriam-Webster
3. pessimist: Oxford Learner's Dictionaries
4. pessimist: Collins English Dictionary
5. pessimist: Vocabulary.com
6. Pessimist, pessimist: Wordnik
7. pessimist: Cambridge Advanced Learner's Dictionary
8. pessimist: Wiktionary
9. pessimist: The Wordsmyth English Dictionary-Thesaurus
10. pessimist: Infoplease Dictionary
11. pessimist: Dictionary.com
12. pessimist: Cambridge Essential American English Dictionary
13. Pessimist: Wikipedia, the Free Encyclopedia
14. Pessimist: Online Plain Text English Dictionary
15. pessimist: Webster's Revised Unabridged, 1913 Edition
16. pessimist: Rhymezone
17. Pessimist: AllWords.com Multi-Lingual Dictionary
18. pessimist: FreeDictionary.org
19. pessimist: Mnemonic Dictionary
20. pessimist: TheFreeDictionary.com
21. Pessimist: Dictionary of Phrase and Fable (1898)

Business (1 matching dictionary)

22. pessimist: Legal dictionary

Computing (1 matching dictionary)

23. pessimist: Encyclopedia

Medicine (3 matching dictionaries)

24. pessimist: Merriam-Webster Medical Dictionary
25. online medical dictionary (No longer online)
26. pessimist: Medical dictionary

(Note: See pessimism as well.)

Definitions from Wiktionary ( ) ▸ noun:  Someone who habitually expects the worst outcome; one who looks on the dark side of things. Similar: doomist, antioptimist, doomwatcher, negativist, negaholic, calamitist, cyberpessimist, prophet of doom, negativity, pessoptimist, more... Opposite: optimist Types: realist, cynic, glass half empty, glass half full, more... Phrases: market pessimist, wall street pessimist, opposite of pessimist, more... Adjectives: such, great, old, cheerful, professional, true, extreme, complete, german, eternal, profound Colors:     gray,     black,     charcoal,     taupe,     olive, more... ▸ Words similar to pessimist ▸ Usage examples for pessimist ▸ Idioms related to pessimist ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pessimist ▸ Words that often appear near pessimist ▸ Rhymes of pessimist ▸ Invented words related to pessimist