2
minutely
2
nicely
2
oppressively(adverb, severely)
2
positively
2
right
2
roughly(adverb, fast, sprightly, severely, seriously)
2
square
2
tightly(adverb, fast, intensely, fiercely, violently)
2
truly(adverb, just, absolutely, really, completely)
2
unyieldingly
2
violently(adverb, fast, sprightly, severely, seriously)
2
wildly(adverb, fast, sprightly, severely, seriously)
1
abrasively
1
abruptly(adverb, severely)
1
acerbically(adverb, severely)
1
acrimoniously(adverb, severely)
1
actively(adverb, fast, sprightly, severely, seriously)
1
acutely(adverb, severely)
1
adamantly
1
all to pieces(expression, idiom)
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>