87 entries under adverb topic. ×

3
unremittingly(thoroughly, fully, completely, vigorously)
2
backwards and forwards(expression, idiom, detail, fully)
2
busily(actively, intently)
2
conscientiously
2
eagerly(vigorously, earnestly, actively, hastily)
2
fervently(vigorously, earnestly, actively, hastily)
2
intensively(very, thoroughly, fully, completely)
2
meticulously
2
mightily
2
untiringly(thoroughly, closely, sharply, meticulously)
2
vigorously(earnestly, actively, hastily, carefully)
2
zealously(vigorously, earnestly, actively, hastily)
1
actively intently(expression, vigorously, earnestly, hastily)
1
agilely(vigorously, earnestly, actively, hastily)
1
animatedly(vigorously, earnestly, actively, hastily)
1
ardently(vigorously, earnestly, actively, hastily)
1
attentively
1
briskly(vigorously, earnestly, actively, hastily)
1
closely(thoroughly, sharply, meticulously, determinedly)
1
conscientously
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APASmart Define. (2016). assiduously thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/assiduously/thesaurus/synonyms
ChicagoSmart Define. 2016. "assiduously thesaurus" https://smartdefine.org/assiduously/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, assiduously thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/assiduously/thesaurus/synonyms>.
MLASmart Define. "assiduously thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/assiduously/thesaurus/synonyms>