95 entries under intense topic. ×

66
energetic(adjective, action, good, clear, strong)
48
strong(adjective, person, strong, great, sound)
43
lively(adjective, action, good, clear, strong)
38
active(adjective, action, good, person, clear)
34
powerful(adjective, strong, great, sound, strength)
34
spirited(adjective, strong, moving, keen, sharp)
28
dynamic(adjective, action, strong, great, tough)
26
animated(adjective, strong, moving, keen, bright)
25
potent(adjective, strong, great, sound, strength)
24
hearty(adjective, health, person, strong, great)
23
forceful(adjective, action, strong, great, sound)
21
zealous(adjective, tough, keen, smart, warm)
20
enthusiastic(adjective, moving, keen, energetic)
16
eager(adjective, keen, warm, energetic)
14
ardent(adjective, keen, warm, energetic)
12
forcible(adjective, strong, sound, strength, tough)
10
earnest(adjective, keen, warm, energetic)
10
fervent(adjective, keen, warm, energetic)
10
keen(adjective, good, clear, pleasant, bright)
10
passionate(adjective, keen, warm, energetic)
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APASmart Define. (2016). vigorous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vigorous/thesaurus/synonyms
ChicagoSmart Define. 2016. "vigorous thesaurus" https://smartdefine.org/vigorous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, vigorous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vigorous/thesaurus/synonyms>.
MLASmart Define. "vigorous thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/vigorous/thesaurus/synonyms>