Synonyms|384Antonyms|46|Broader|0Narrower|0Related|136
1
implacably
1
impliably
1
indeed(adverb, just, absolutely, completely, quite)
1
indisputably(adverb, really, completely, exactly, directly)
1
inexorably
1
intolerantly(adverb, severely)
1
intransigently
1
ipsissimis verbis
1
ironhandedly
1
irreconcilably
1
laboriously(adverb, severely, thoroughly, fully, precisely)
1
leanly(adverb, severely)
1
like blazes
1
like mad
1
literatim
1
matter-of-factly(adverb, severely)
1
narrowly
1
nastily
1
no mistake(expression, adverb, just, absolutely, completely)
1
on the dot(expression, idiom, adverb, just, absolutely)
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APASmart Define. (2015). rigorously thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rigorously/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigorously thesaurus" https://smartdefine.org/rigorously/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rigorously thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rigorously/thesaurus/synonyms>.
MLASmart Define. "rigorously thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/rigorously/thesaurus/synonyms>