1
fervent
1
fireball(adjective, strong, firm, determined, steady)
1
florid(adjective, good, clear, pleasant, keen)
1
glowing(adjective, good, clear, pleasant, keen)
1
go-go(adjective, strong, firm, determined, steady)
1
good(adjective, clear, pleasant, keen, bright)
1
hardy(adjective, good, clear, pleasant, keen)
1
healthy(adjective, good, clear, pleasant, bright)
1
hell-bent
1
hyper(adjective, informal, tireless)
1
immutable
1
inalterable
1
insistent
1
intent
1
invigorated(adjective, good, clear, pleasant, keen)
1
invincible
1
ironclad
1
jumping(adjective, tireless)
1
keen(adjective, good, clear, pleasant, bright)
1
lasting
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). unwearied thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unwearied/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwearied thesaurus" https://smartdefine.org/unwearied/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unwearied thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unwearied/thesaurus/synonyms>.
MLASmart Define. "unwearied thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unwearied/thesaurus/synonyms>