1
in earnest(expression, adverb, seriously, vigorously, earnestly)
1
indefatigably(adverb, vigorously, earnestly, actively, hastily)
1
intensively
1
jealously
1
jocundly(pleasantly, happily, freely, cheerfully, heartily)
1
jovially(pleasantly, happily, freely, cheerfully, heartily)
1
joyfully(pleasantly, happily, freely, cheerfully, heartily)
1
joyously(pleasantly, happily, freely, cheerfully, heartily)
1
kindheartedly(adverb, with enthusiasm)
1
like all get out(expression, idiom, vigorously, earnestly, hastily)
1
like the devil(expression, idiom, vigorously, earnestly, hastily)
1
like the dickens(expression, idiom, vigorously, earnestly, hastily)
1
loyally(kindly, lovingly, caringly)
1
lustily(adverb, vigorously)
1
merrily(pleasantly, happily, freely, cheerfully, heartily)
1
motive
1
nimbly(vigorously, earnestly, actively, hastily, carefully)
1
not humorously(expression, adverb, seriously, vigorously, earnestly)
1
obsessively
1
painstakingly(vigorously, earnestly, actively, hastily, carefully)
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APASmart Define. (2016). zealously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/zealously/thesaurus/synonyms
ChicagoSmart Define. 2016. "zealously thesaurus" https://smartdefine.org/zealously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, zealously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/zealously/thesaurus/synonyms>.
MLASmart Define. "zealously thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/zealously/thesaurus/synonyms>