Synonyms|53Antonyms|50|Broader|0Narrower|0Related|37
4
believably
3
credibly
3
probably(adverb, happen)
2
plausibly
1
ostensibly(adverb, apparently)
1
prone(adjective, upright, likely, liable, disinclined)
1
supposedly
0
apparently
0
as likely as not
0
as the case may be
0
at first blush
0
certainly
0
commonly
0
conventionally
0
customarily
0
doubtless(adverb, likely, certainly)
0
face down(expression, adjective, prone)
0
for all one knows
0
generally
0
habitually
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APASmart Define. (2015). improbably thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/improbably/thesaurus/antonyms
ChicagoSmart Define. 2015. "improbably thesaurus" https://smartdefine.org/improbably/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, improbably thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/improbably/thesaurus/antonyms>.
MLASmart Define. "improbably thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/improbably/thesaurus/antonyms>