104 entries under fixed topic. ×

4
self-possessed(adjective, calm, quiet, cool, firm)
4
unshaken(adjective, set, clear, strong, flat)
3
regular(adjective, reasonable, firm, sensible, solid)
3
sturdy(adjective, calm, strong, tough, continue)
3
wholehearted(adjective, set, complete, firm, honest)
2
defined(adjective, plain, certain, limited, definite)
2
determinate(adjective, certain, limited, definite)
2
durable(adjective, calm, strong, secure, firm)
2
even(adjective, adverb, calm, strong, secure)
2
known(adjective, clear, understanding, keen, firm)
2
loyal(adjective, good, close, strong, correct)
2
planned(adjective, certain, limited, definite)
2
poised(adjective, calm, strong, secure, firm)
2
sensible(adjective, understanding, reasonable, keen, firm)
2
sober(adjective, firm, solid, energetic, vigorous)
1
allegiant(adjective, close, correct, firm, honest)
1
ardent(adjective, close, correct, firm, honest)
1
arranged(adjective, certain, limited, definite)
1
balanced(adjective, calm, strong, secure, easy)
1
brick-wall(adjective, calm, strong, secure, firm)
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APASmart Define. (2016). sure thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sure/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sure thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>.
MLASmart Define. "sure thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms>