37 entries under vigorous topic. ×

19
burning(adjective, keen, intense, passionate, violent)
18
ablaze(adjective, intense, violent, fire, excited)
16
fiery(adjective, passionate, fire, hot)
7
fervent(adjective, keen, passionate, enthusiastic, excited)
6
ardent(adjective, keen, passionate, enthusiastic, excited)
6
enthusiastic(adjective, keen, intense, passionate, violent)
6
impassioned(adjective, keen, intense, passionate, violent)
6
passionate(adjective, keen, enthusiastic, excited)
6
zealous(adjective, keen, passionate, enthusiastic, excited)
4
earnest(adjective, keen, passionate, enthusiastic, excited)
4
spirited(adjective, keen, intense, passionate, violent)
3
eager(adjective, keen, passionate, enthusiastic, excited)
3
exuberant
3
hearty
3
lively
3
powerful
3
strong
3
vigorous
2
active
1
agitated
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11 years ago|3.9k views|share |citing 
APASmart Define. (2015). afire thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/afire/thesaurus/synonyms
ChicagoSmart Define. 2015. "afire thesaurus" https://smartdefine.org/afire/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, afire thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/afire/thesaurus/synonyms>.
MLASmart Define. "afire thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/afire/thesaurus/synonyms>