7 entries under definitely topic. ×

11
firmly(adverb, severely, strongly, strictly)
8
inflexibly(adverb, thoroughly, strongly, firmly)
6
immovably(adverb, thoroughly, strongly, firmly)
6
strictly(adverb, resolutely, inflexibly)
5
solidly(adverb, severely, thoroughly, strongly, firmly)
5
tightly(adverb, severely, thoroughly, strongly, firmly)
1
soundly(adverb, well, severely, thoroughly, strongly)
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APASmart Define. (2015). rigidly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rigidly/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigidly thesaurus" https://smartdefine.org/rigidly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rigidly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rigidly/thesaurus/synonyms>.
MLASmart Define. "rigidly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/rigidly/thesaurus/synonyms>