9
grimly(adverb, severely)
7
strictly(adverb, severely)
6
harshly(adverb, severely)
6
severely(adverb, severely)
4
austerely(adverb, severely)
4
rigorously(adverb, severely)
4
sternly(adverb, severely)
3
dourly(adverb, severely)
3
exactingly(adverb, severely)
3
precisely(adverb, severely)
2
abruptly(adverb, severely)
2
acrimoniously(adverb, severely)
2
caustically(adverb, severely)
2
closely
2
hardly
2
keenly(adverb, severely)
2
purely
2
rigidly
2
sharply(adverb, severely)
2
stiffly
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APASmart Define. (2015). stringently thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/stringently/thesaurus/synonyms
ChicagoSmart Define. 2015. "stringently thesaurus" https://smartdefine.org/stringently/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, stringently thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/stringently/thesaurus/synonyms>.
MLASmart Define. "stringently thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/stringently/thesaurus/synonyms>