617 entries under adjective topic. ×

7
punctual(characteristic, time, quality, timing)
7
resolved(strong, flat, firm, certain)
7
timeless(continue, steady, regular, continuous)
7
tough(calm, strong, secure, firm)
7
unbending(strong, flat, firm, certain)
7
unchanged(wild, original, fixed, basic)
7
unshakable(firm, certain, steady, definite)
6
attached(close, correct, firm, honest)
6
certain(good, strong, complete, firm)
6
common(calm, smooth, reasonable, flat)
6
conscientious(good, close, strong, sound)
6
correspondent(common, popular, universal, joint)
6
decided(firm, certain, definite, serious)
6
liege(continue, firm, honest, sensible)
6
ongoing(continue, current, continuous, permanent)
6
round-the-clock(continue, continual)
6
routine(regular, normal, persistent, customary)
6
straight(calm, close, direct, smooth)
6
sure(calm, good, close, strong)
6
undying(continuous, endless, enduring, lasting)
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APASmart Define. (2016). constant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/constant/thesaurus/synonyms
ChicagoSmart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, constant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>.
MLASmart Define. "constant thesaurus" 12 February 2016. Web. 23 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms>