617 entries under adjective topic. ×

9
immovable(secure, firm, solid, determined)
9
indefatigable(strong, firm, determined, steady)
9
invariant(even, same)
9
monotonous(dull, regular, boring, fixed)
9
reliable(calm, good, close, strong)
9
trustworthy(good, close, strong, sound)
8
indestructible(tough, stable, sturdy, enduring)
8
level(calm, quiet, smooth, right)
8
repeated(dull, steady, stable, regular)
8
repetitive(continuous, repetitious)
8
solid(verb, calm, good, strong)
8
stubborn(secure, firm, determined, steady)
8
tenacious(strong, tough, flat, firm)
8
tireless(strong, firm, determined, steady)
7
ardent(close, kind, correct, keen)
7
connected(steady, fixed, persistent, continuous)
7
general(reasonable, common, ordinary, natural)
7
homogeneous(regular, fixed, persistent, even)
7
immortal(abundant, unrestrained, endless, everlasting)
7
obstinate(moderate, firm, determined, serious)
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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>