Synonyms|283Antonyms|161|Broader|40Narrower|13Related|241

45 entries under stiff topic. ×

5
stable(adjective, sure, balanced, solve)
4
strong(adjective, stable, balanced, solve)
3
enduring(adjective, stable, sure, balanced)
3
firm(adjective, stable, balanced, solve)
3
impregnable(adjective, stable, sure, balanced)
3
steadfast(adjective, stable, sure, balanced)
3
steady(adjective, stable, sure, balanced)
3
stout(adjective, stable, balanced, solve)
3
unfluctuating(adjective, stable, balanced, stead)
3
unyielding(adjective, stable, sure, balanced)
1
consistent(adjective, stable, balanced, stead)
1
constant(adjective, stable, balanced, stead)
1
durable(adjective, stable, balanced, stead)
1
endurant(adjective, stable, balanced, stead)
1
four-square(adjective, stable, balanced, stead)
1
hard(adjective, stable, balanced, stead)
1
inconvertible(adjective, stable, balanced, stead)
1
invariable(adjective, stable, balanced, stead)
1
lasting(adjective, stable, balanced, stead)
1
lingering(adjective, stable, balanced, stead)
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ChicagoSmart Define. 2013. "vacillant thesaurus" https://smartdefine.org/vacillant/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2013, vacillant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vacillant/thesaurus/antonyms>.
MLASmart Define. "vacillant thesaurus" 28 June 2013. Web. 26 September 2026. <https://smartdefine.org/vacillant/thesaurus/antonyms>