3
truly
2
really
2
unlikely(adverb, unmistakably, possibly, perceptibly)
1
actually
1
assuredly
1
improbably
0
absolutely
0
accurately
0
authentically
0
authenticly
0
certainly
0
clearly
0
concretely
0
de facto(expression, idiom)
0
decidedly
0
definitely
0
doubtless
0
effectively
0
entirely
0
exactly
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APASmart Define. (2015). ostensibly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ostensibly/thesaurus/antonyms
ChicagoSmart Define. 2015. "ostensibly thesaurus" https://smartdefine.org/ostensibly/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ostensibly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ostensibly/thesaurus/antonyms>.
MLASmart Define. "ostensibly thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/ostensibly/thesaurus/antonyms>