1
grindingly(adverb, difficultly)
1
gruesomely
1
harshly(adverb, difficultly)
1
horribly
1
horridly
1
horrifically
1
huskily(adverb, strongly)
1
illustriously
1
impenetrably(adverb, invulnerably)
1
imperviously(adverb, invulnerably)
1
indestructibly(adverb, invulnerably)
1
invincibly(adverb, invulnerably)
1
invulnerably(adverb, invulnerably)
1
muscularly(adverb, strongly)
1
oppressively(adverb, difficultly)
1
potently(adverb, strongly)
1
robustly(adverb, strongly)
1
ruggedly(adverb, difficultly)
1
stably(adverb, strongly)
1
stoutly(adverb, strongly)
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APASmart Define. (2013). formidably thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/formidably/thesaurus/synonyms
ChicagoSmart Define. 2013. "formidably thesaurus" https://smartdefine.org/formidably/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, formidably thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/formidably/thesaurus/synonyms>.
MLASmart Define. "formidably thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/formidably/thesaurus/synonyms>