Synonyms|132Antonyms|4|Broader|1Narrower|7Related|43
1
right on(adverb, yes)
1
shine
1
straight out(expression, adverb, absolutely, unmistakably, doubtless)
1
sure
1
sure as can be(expression, idiom, adverb, absolutely, doubtless)
1
sure as hell(expression, idiom, adverb, absolutely, doubtless)
1
swim
1
unambiguously(adverb, absolutely, clearly, plainly, openly)
1
veritably(adverb, positively, unmistakably, roger)
1
very well(adverb, good, fine, absolutely, agreed)
1
yea(adverb, good, fine, agreed)
0
OK(adverb, yes)
0
altogether
0
assurance
0
assuredly
0
be sure(adverb, positively, clearly, definitely, plainly)
0
certainty
0
certes
0
certify
0
clockwork
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APASmart Define. (2015). without fail thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/without_fail/thesaurus/synonyms
ChicagoSmart Define. 2015. "without fail thesaurus" https://smartdefine.org/without_fail/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, without fail thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/without_fail/thesaurus/synonyms>.
MLASmart Define. "without fail thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/without_fail/thesaurus/synonyms>