1
unconquerable(adjective, strength)
1
undampable
1
ungovernable
1
unslakable
1
unsuppressible
1
volatile
1
volcanic
0
above suspicion(expression, moral, principled)
0
all powerful(expression, idiom, strength)
0
all sufficient(expression, idiom, strength)
0
ever-burning
0
fiery
0
furore
0
honorable(moral, principled)
0
hysterics
0
immortalize
0
immortalized
0
immortalizing
0
implacable
0
in hysterics(expression, idiom, violence)
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APASmart Define. (2015). inextinguishable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/inextinguishable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inextinguishable thesaurus" https://smartdefine.org/inextinguishable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, inextinguishable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/inextinguishable/thesaurus/synonyms>.
MLASmart Define. "inextinguishable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/inextinguishable/thesaurus/synonyms>