113 entries under vigorous topic. ×

7
ardent(adjective, strong, energetic, enthusiastic, determined)
7
unflagging(adjective, strong, difficult, energetic, lively)
6
enthusiastic(adjective, moving, keen, intense, energetic)
5
keen(adjective, strong, intense, energetic, lively)
4
aggressive(adjective, strong, keen, intense, energetic)
4
fervent(adjective, strong, passionate, ardent)
4
resolute(adjective, keen, intense, energetic, lively)
4
animated(adjective, strong, moving, keen, intense)
4
burning(adjective, hardworking)
4
bustling(adjective, moving, keen, intense, energetic)
4
determined(adjective, keen, intense, energetic, enthusiastic)
4
purposeful(adjective, strong, keen, intense, energetic)
4
sprightly(adjective, strong, keen, intense, energetic)
4
steadfast(adjective, energetic, determined, active)
4
vivacious(adjective, strong, moving, energetic, lively)
3
intense(adjective, keen, energetic, lively)
3
engaged(adjective, keen, intense, energetic, lively)
3
frisky(adjective, moving, keen, intense, energetic)
3
lusty(adjective, strong, moving, lively, active)
3
mettlesome
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APASmart Define. (2015). industrious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/industrious/thesaurus/synonyms
ChicagoSmart Define. 2015. "industrious thesaurus" https://smartdefine.org/industrious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, industrious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/industrious/thesaurus/synonyms>.
MLASmart Define. "industrious thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/industrious/thesaurus/synonyms>