Synonyms|274Antonyms|97|Broader|9Narrower|12Related|324

40 entries under noun topic. ×

1
grief
1
moodiness
1
unhappiness(depression, doubt)
0
ache
0
adversity
0
angst
0
bane
0
basin
0
blackness
0
cavity
0
darkness
0
dip
0
fear(depression, doubt)
0
misery
0
nihilism
0
pessimist
0
slump
0
trench
0
trough
0
uncertainty(depression, doubt)
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APASmart Define. (2015). optimism thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/optimism/thesaurus/antonyms
ChicagoSmart Define. 2015. "optimism thesaurus" https://smartdefine.org/optimism/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, optimism thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/optimism/thesaurus/antonyms>.
MLASmart Define. "optimism thesaurus" 11 May 2015. Web. 27 September 2026. <https://smartdefine.org/optimism/thesaurus/antonyms>