Synonyms|384Antonyms|46|Broader|0Narrower|0Related|136
4
hardly
4
inflexibly
4
punctiliously(adverb, severely, thoroughly, fully, precisely)
4
relentlessly(adverb, fast, sprightly, severely, seriously)
4
sharply(adverb, fast, sprightly, severely, seriously)
3
absolutely(adverb, just, severely, completely, quite)
3
ascetically(adverb, severely)
3
faithfully(adverb, thoroughly, fully, completely, correctly)
3
firmly(adverb, fast, badly, severely, intensely)
3
fussily(adverb, fastidiously)
3
in detail(expression, adverb, thoroughly, fully, precisely)
3
just
3
keenly(adverb, fast, sprightly, severely, seriously)
3
obdurately
3
painfully(adverb, fast, sprightly, severely, seriously)
3
punctually
3
stiffly
3
unerringly(adverb, just, absolutely, really, completely)
2
anxiously(adverb, severely, thoroughly, fully, precisely)
2
briskly(adverb, fast, severely, seriously, intensely)
For more, visit Rigorously on Power Thesaurus
11 years ago|4.9k views|share |citing 
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>