5 entries under seriously topic. ×

8
assiduously(adverb, thoroughly, vigorously, closely)
8
diligently(adverb, thoroughly, vigorously, closely)
6
painstakingly(adverb, thoroughly, vigorously, closely)
5
persistently(adverb, thoroughly, vigorously, closely)
3
unremittingly(adverb, thoroughly, vigorously, closely)
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APASmart Define. (2015). industriously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/industriously/thesaurus/synonyms
ChicagoSmart Define. 2015. "industriously thesaurus" https://smartdefine.org/industriously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, industriously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/industriously/thesaurus/synonyms>.
MLASmart Define. "industriously thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/industriously/thesaurus/synonyms>