147 entries under strong topic. ×

4
unyielding(adjective, tough, flat, firm)
3
careful(adjective, good, honest, solid)
3
easy(adjective, calm, quiet, cool)
3
inflexible(adjective, tough, flat, firm)
3
resolved(verb, adjective, flat, certain)
3
stout(adjective, calm, tough, firm)
3
sturdy(adjective, calm, tough, continue)
3
tried-and-true(adjective, good, honest, solid)
3
unalterable(adjective, calm, definite, constant)
2
conscientious(adjective, good, close, correct)
2
durable(adjective, calm, secure, firm)
2
even(adjective, adverb, calm, secure)
2
immutable(calm, solid, steady, even)
2
in the bag(expression, adjective, idiom, easy)
2
invariable(calm, solid, certain, steady)
2
loyal(adjective, good, close, correct)
2
okay(adjective, adverb, interjection, good)
2
on ice(expression, adjective, clear, easy)
2
persistent(adjective, tough, flat, firm)
2
poised(adjective, calm, secure, firm)
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APASmart Define. (2016). sure thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sure/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sure thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>.
MLASmart Define. "sure thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms>