144 entries under firm topic. ×

1
on ice(expression, adjective, clear, strong, sound)
1
pat(adjective, determined, usual, regular)
1
pigheaded(adjective, determined, usual, regular)
1
poised(adjective, solid, stable, fixed)
1
practical(complete, obedient, wholehearted, unthinking)
1
prescribed(adjective, determined, usual, regular)
1
rigid(adjective, correct, exact, determined)
1
scheduled(adjective, determined, usual, regular)
1
self-possessed(adjective, solid, stable, fixed)
1
set in stone(expression, adjective, idiom, solid)
1
sober(adjective, solid, energetic, vigorous)
1
solid as a rock(expression, adjective, idiom, solid)
1
stiff-necked(adjective, determined, usual, regular)
1
sturdy(adjective, solid, true, stable)
1
sure thing(expression, adjective, strong, easy)
1
taken for granted(expression, idiom, complete, obedient)
1
total(adjective, complete, flat, full)
1
understood(complete, obedient, wholehearted, unthinking)
1
unflappable(adjective, solid, determined, usual)
1
unshaken(adjective, set, clear, solid)
10 years ago|37k views|share |citing 
APASmart Define. (2016). certain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/certain/thesaurus/synonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms>