1
torturously(adverb, painfully)
1
unbearably(adverb, painfully)
1
uncomfortably(adverb, painfully)
1
unpleasantly(adverb, painfully)
1
unremittingly(vigorously, earnestly, actively, hastily, carefully)
1
unweariedly(vigorously, earnestly, actively, hastily, carefully)
1
unwieldily(adverb, badly, severely, vigorously, hardly)
1
vigilantly(vigorously, earnestly, actively, hastily, carefully)
1
vivaciously(vigorously, earnestly, actively, hastily, carefully)
1
with great effort(expression, idiom, adverb, badly, severely)
1
witheringly(adverb, painfully)
1
woefully(adverb, painfully)
1
zealously(adverb, vigorously, earnestly, actively, hastily)
0
actively
0
amain
0
ambitiously
0
awfully(adverb, extremely, greatly, tremendously)
0
backbreakingly
0
busily(adverb, actively, intently)
0
challengingly
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APASmart Define. (2015). arduously thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/arduously/thesaurus/synonyms
ChicagoSmart Define. 2015. "arduously thesaurus" https://smartdefine.org/arduously/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, arduously thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/arduously/thesaurus/synonyms>.
MLASmart Define. "arduously thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/arduously/thesaurus/synonyms>