37 entries under vigorously topic. ×

11
diligently(adverb, thoroughly, seriously, closely)
8
industriously(adverb, thoroughly, seriously, closely)
7
carefully(adverb, fully, completely, earnestly)
7
laboriously(adverb, thoroughly, earnestly, hastily)
7
painstakingly(adverb, thoroughly, fully, closely)
6
strenuously(adverb, thoroughly, seriously, closely)
6
persistently(adverb, thoroughly, seriously, closely)
5
indefatigably(adverb, earnestly, actively, hastily)
4
studiously(adverb, earnestly, actively, hastily)
3
arduously(adverb, earnestly, actively, hastily)
3
energetically(adverb, earnestly, actively, hastily)
3
unremittingly(adverb, thoroughly, fully, completely)
2
eagerly(adverb, earnestly, actively, hastily)
2
fervently(adverb, earnestly, actively, hastily)
2
zealously(adverb, earnestly, actively, hastily)
1
actively intently(expression, adverb, earnestly, hastily)
1
agilely(adverb, earnestly, actively, hastily)
1
animatedly(adverb, earnestly, actively, hastily)
1
ardently(adverb, earnestly, actively, hastily)
1
briskly(adverb, earnestly, actively, hastily)
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APASmart Define. (2016). assiduously thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/assiduously/thesaurus/synonyms
ChicagoSmart Define. 2016. "assiduously thesaurus" https://smartdefine.org/assiduously/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, assiduously thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/assiduously/thesaurus/synonyms>.
MLASmart Define. "assiduously thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/assiduously/thesaurus/synonyms>