Synonyms|89Antonyms|12|Broader|0Narrower|1Related|71

65 entries under adverb topic. ×

4
unfailingly(absolutely, certainly, clearly, definitely)
3
absolutely(certainly, clearly, definitely, perfectly)
3
faultlessly(perfectly, always, reliably, dependably)
3
perfectly
3
surely(absolutely, clearly, plainly, assuredly)
3
unerringly(absolutely, certainly, clearly, definitely)
2
accurately
2
beyond shadow of doubt(expression, idiom, absolutely, certainly)
2
certainly
2
come what may(expression, idiom, absolutely, certainly)
2
fixedly(absolutely, certainly, clearly, definitely)
2
impeccably
2
irrefutably(absolutely, certainly, clearly, definitely)
2
rain or shine(expression, idiom, absolutely, certainly)
2
unshakably(absolutely, certainly, clearly, definitely)
2
with certainty(expression, absolutely, certainly, clearly)
2
without doubt(expression, absolutely, certainly, clearly)
1
admittedly(absolutely, certainly, clearly, definitely)
1
beyond doubt(expression, absolutely, certainly, clearly)
1
correctly
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ChicagoSmart Define. 2015. "infallibly thesaurus" https://smartdefine.org/infallibly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, infallibly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/infallibly/thesaurus/synonyms>.
MLASmart Define. "infallibly thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/infallibly/thesaurus/synonyms>