Synonyms|173Antonyms|147|Broader|0Narrower|0Related|705
2
portentous
2
threatening
2
unfortunate
2
unhappy
2
unlucky
2
upsetting
1
black
1
cold
1
comfortless
1
desperate
1
dim
1
disappointing
1
discomforting
1
disconcerting
1
disgruntling
1
dispiriting
1
displeasing
1
dissatisfying
1
disturbing
1
doubtful
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APASmart Define. (2016). heartening thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/heartening/thesaurus/antonyms
ChicagoSmart Define. 2016. "heartening thesaurus" https://smartdefine.org/heartening/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, heartening thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/heartening/thesaurus/antonyms>.
MLASmart Define. "heartening thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/heartening/thesaurus/antonyms>