15
unbelievingly
10
skeptically(adverb, skeptically)
6
doubtfully(adverb, skeptically)
6
dubiously(adverb, skeptically)
6
suspiciously(adverb, skeptically)
4
disbelievingly
4
cynically(adverb, skeptically)
3
distrustfully
3
sceptically
2
doubtingly
2
mistrustfully
2
questioningly
1
faithlessly
1
in amazement(expression, idiom)
1
in astonishment(expression, idiom)
1
in disbelief(expression, idiom)
1
incredibly
1
incredulous
1
quizzically
1
uncertainly
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APASmart Define. (2013). incredulously thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/incredulously/thesaurus/synonyms
ChicagoSmart Define. 2013. "incredulously thesaurus" https://smartdefine.org/incredulously/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, incredulously thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/incredulously/thesaurus/synonyms>.
MLASmart Define. "incredulously thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/incredulously/thesaurus/synonyms>