617 entries under adjective topic. ×

12
unflinching(strong, flat, firm, certain)
12
unrelenting(certain, determined, persistent, reliable)
11
chronic(common, natural, usual, regular)
11
customary(reasonable, common, ordinary, usual)
11
diligent(determined, resolute, persevering)
11
prevailing(strong, reasonable, flat, certain)
11
recurrent(exact, ordinary, usual, steady)
11
set(calm, strong, secure, flat)
11
trusty(good, close, strong, correct)
10
assiduous
10
continuing(strong, firm, certain, determined)
10
dependable(good, close, strong, sound)
10
dogged(strong, firm, determined, steady)
10
nonstop(direct, continue, steady, regular)
10
popular(sound, honest, common, upright)
10
same(calm, change, smooth, right)
10
undeviating(strong, smooth, right, flat)
10
usual(reasonable, common, ordinary, regular)
9
dedicated(strong, kind, keen, firm)
9
equable(calm, quiet, strong, secure)
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APASmart Define. (2016). constant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/constant/thesaurus/synonyms
ChicagoSmart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, constant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>.
MLASmart Define. "constant thesaurus" 12 February 2016. Web. 24 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms>