1
seriously(adverb, vigorously, earnestly, actively, hastily)
1
solicitously
1
solidly(adverb, absolutely, thoroughly, fully, completely)
1
speedily(adverb, vigorously, earnestly, actively, hastily)
1
spiritedly(adverb, vigorously, earnestly, actively, hastily)
1
steadily(adverb, thoroughly, closely, sharply, meticulously)
1
tenderly
1
thoroughgoingly
1
thoughtfully
1
totally(adverb, absolutely, thoroughly, fully, completely)
1
ultimately(adverb, absolutely, thoroughly, fully, completely)
1
unanimously(adverb, absolutely, thoroughly, fully, completely)
1
unconditionally(adverb, absolutely, thoroughly, fully, completely)
1
unsettle
1
untiringly(adverb, thoroughly, closely, sharply, meticulously)
1
unweariedly(adverb, vigorously, earnestly, actively, hastily)
1
up and down
1
utterly(adverb, absolutely, thoroughly, fully, completely)
1
vigorously(adverb, earnestly, actively, hastily, carefully)
1
vivaciously(adverb, vigorously, earnestly, actively, hastily)
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APASmart Define. (2015). painstakingly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/painstakingly/thesaurus/synonyms
ChicagoSmart Define. 2015. "painstakingly thesaurus" https://smartdefine.org/painstakingly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, painstakingly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/painstakingly/thesaurus/synonyms>.
MLASmart Define. "painstakingly thesaurus" 19 June 2015. Web. 23 September 2026. <https://smartdefine.org/painstakingly/thesaurus/synonyms>