Synonyms|141Antonyms|23|Broader|0Narrower|0Related|64
3
arduously(adverb, difficultly)
3
mightily(adverb, strongly)
3
redoubtably
3
toughly(adverb, strongly, difficultly)
2
awfully
2
dreadfully
2
fearfully
2
knottily(adverb, difficultly)
2
laboriously(adverb, difficultly)
2
onerously(adverb, difficultly)
2
powerfully(adverb, strongly)
2
roughly(adverb, difficultly)
2
severely(adverb, difficultly)
2
strongly(adverb, strongly)
2
terribly
2
terrifically
2
tremendously
1
adversely(adverb, difficultly)
1
ambitiously
1
awesomely
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APASmart Define. (2013). formidably thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/formidably/thesaurus/synonyms
ChicagoSmart Define. 2013. "formidably thesaurus" https://smartdefine.org/formidably/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, formidably thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/formidably/thesaurus/synonyms>.
MLASmart Define. "formidably thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/formidably/thesaurus/synonyms>