4
jealous
3
paranoid
2
cynical(adjective, person, doubtful, good feelings, nonbelieving)
1
apprehensive(adjective, clear, anxious, fearful, confident)
0
aporetic
0
arguable
0
butterflies(adjective, clear, skeptical, jealous, freethinking)
0
feel in bones(expression, idiom, calm, clear)
0
get vibes(expression, adjective, calm, clear, skeptical)
0
have a hunch(expression, adjective, idiom, calm, clear)
0
have funny feeling(expression, adjective, idiom, calm, clear)
0
have hunch(expression, adjective, calm, clear, skeptical)
0
skeptical(adjective, leery, disbelieving)
0
suspicious(careless, certain)
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APASmart Define. (2016). undoubting thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/undoubting/thesaurus/antonyms
ChicagoSmart Define. 2016. "undoubting thesaurus" https://smartdefine.org/undoubting/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, undoubting thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/undoubting/thesaurus/antonyms>.
MLASmart Define. "undoubting thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/undoubting/thesaurus/antonyms>