94 entries under vigorous topic. ×

18
gutsy(adjective, person, strong, tough, slang)
16
nervy(adjective, close, strong, open, cool)
14
aggressive(adjective, severe, keen, smart, intense)
14
smart(adjective, close, open, cool, free)
14
stout-hearted(adjective, noble, courageous)
12
dashing(adjective, strong, keen, smart, intense)
12
manful(adjective, noble, courageous, manly)
12
pushy(adjective, cool, tough, smart, attitude)
12
stouthearted(adjective, person, strong, tough, feelings)
11
cocky(adjective, cool, tough, smart, rude)
10
determined(verb, adjective, clear, keen, firm)
9
firm(noun, adjective, strong, noble)
9
lion-hearted(adjective, noble, daring, stout)
9
masculine(adjective, noble, courageous, manlike)
8
enterprising(adjective, tough, keen, smart, intense)
8
staunch(adjective, firm, determined, noble)
7
tenacious(adjective, strong, tough, firm)
7
tough(adjective, strong, smart, energetic)
6
assertive(adjective, tough, smart, solid, offensive)
6
flip(adjective, cool, tough, smart, attitude)
10 years ago|47k views|share |citing 
APASmart Define. (2016). bold thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/bold/thesaurus/synonyms
ChicagoSmart Define. 2016. "bold thesaurus" https://smartdefine.org/bold/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, bold thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/bold/thesaurus/synonyms>.
MLASmart Define. "bold thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/bold/thesaurus/synonyms>