Synonyms|198Antonyms|5|Broader|0Narrower|0Related|29
1
square
1
strictly
1
ticket
1
to be sure(expression, idiom, adverb, absolutely, certainly)
1
totally
1
truthfully
1
unalterable(adjective, expected, predictable, necessary, inexorable)
1
unavoidable(adjective, expected, predictable, necessary, inexorable)
1
undeniable(adjective, absolute, expected, predictable, necessary)
1
undoubtedly(adverb, absolutely, certainly, clearly, definitely)
1
unequivocal(adjective, certain, definite, absolute, obvious)
1
unfailingly(adverb, absolutely, certainly, clearly, definitely)
1
unmistakable(adjective, certain, definite, absolute, obvious)
1
unmistakably(adverb, absolutely, certainly, clearly, definitely)
1
unpreventable(adjective, expected, predictable, necessary, inexorable)
1
unquestionably(adverb, absolutely, really, certainly, clearly)
1
unshakably(adverb, absolutely, certainly, clearly, definitely)
1
utterly
1
veraciously(adverb, just, absolutely, completely, quite)
1
wholly
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APASmart Define. (2015). for certain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/for_certain/thesaurus/synonyms
ChicagoSmart Define. 2015. "for certain thesaurus" https://smartdefine.org/for_certain/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, for certain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/for_certain/thesaurus/synonyms>.
MLASmart Define. "for certain thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/for_certain/thesaurus/synonyms>