124 entries under solid topic. ×

1
on ice(expression, adjective, clear, strong, sound)
1
poised(adjective, firm, stable, fixed)
1
reassured(adjective, strong, easy, definite)
1
self-assured(adjective, strong, easy, definite)
1
self-possessed(adjective, firm, stable, fixed)
1
set in stone(expression, adjective, idiom, firm)
1
shoo-in(adjective, strong, easy, definite)
1
sober(adjective, firm, energetic, vigorous)
1
solid as a rock(expression, adjective, idiom, firm)
1
sterling(good, strong, true, real)
1
sturdy(adjective, firm, true, stable)
1
sure thing(expression, adjective, strong, easy, firm)
1
there(good, strong, steady, reliable)
1
tried(good, strong, true, steady)
1
tried-and-true(good, strong, true, reliable)
1
tried and true(expression, adjective, idiom, strong, easy)
1
true-hearted(good, strong, steady, consistent)
1
unanxious(adjective, strong, easy, definite)
1
unflappable(adjective, firm, determined, usual)
1
unshaken(adjective, set, clear, firm)
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APASmart Define. (2016). certain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/certain/thesaurus/synonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms>