1
en masse(expression, adverb, absolutely, fully, completely)
1
energetically(adverb, vigorously, earnestly, actively, hastily)
1
enthusiastically(adverb, vigorously, earnestly, actively, hastily)
1
entirely(adverb, absolutely, fully, quite, totally)
1
exactly
1
exclusively(adverb, absolutely, thoroughly, fully, completely)
1
expeditiously(adverb, vigorously, earnestly, actively, hastily)
1
extensively(adverb, absolutely, thoroughly, fully, completely)
1
fervently(adverb, vigorously, earnestly, actively, hastily)
1
filmily
1
finally(adverb, absolutely, thoroughly, fully, completely)
1
fussily
1
hardly
1
hastily(adverb, vigorously, earnestly, actively, carefully)
1
heedfully
1
hurriedly(adverb, vigorously, earnestly, actively, hastily)
1
in all(expression, adverb, absolutely, fully, completely)
1
in and out
1
in detail
1
in toto(expression, adverb, absolutely, fully, completely)
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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>