1
like the dickens(expression, adverb, vigorously, earnestly, hastily)
1
lovingly
1
mindfully
1
nimbly(adverb, vigorously, earnestly, actively, hastily)
1
patiently
1
perseveringly(adverb, vigorously, earnestly, actively, hastily)
1
purposefully(adverb, vigorously, earnestly, actively, hastily)
1
restlessly(adverb, vigorously, earnestly, actively, hastily)
1
scrupulously
1
searchingly(adverb, thoroughly, closely, sharply, meticulously)
1
seriously(adverb, vigorously, earnestly, actively, hastily)
1
speedily(adverb, vigorously, earnestly, actively, hastily)
1
spiritedly(adverb, vigorously, earnestly, actively, hastily)
1
steadfastly
1
steadily(adverb, thoroughly, closely, meticulously, determinedly)
1
tenderly
1
unweariedly(adverb, vigorously, earnestly, actively, hastily)
1
vigilantly(adverb, thoroughly, vigorously, precisely, earnestly)
1
vivaciously(adverb, vigorously, earnestly, actively, hastily)
1
with determination(expression, adverb, thoroughly, closely, sharply)
10 years ago|3.1k views|share |citing 
APASmart Define. (2016). assiduously thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/assiduously/thesaurus/synonyms
ChicagoSmart Define. 2016. "assiduously thesaurus" https://smartdefine.org/assiduously/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, assiduously thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/assiduously/thesaurus/synonyms>.
MLASmart Define. "assiduously thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/assiduously/thesaurus/synonyms>