124 entries under constant topic. ×

4
unfading(stable, enduring, lasting, permanent)
4
unwearied(adjective, strong, firm, energetic, determined)
3
intransigent(adjective, strong, tough, firm, deliberate)
3
nonstop(adjective, continue, steady, regular, even)
2
connected(adjective, steady, continuous, endless)
2
forever(stable, enduring, lasting, permanent)
2
indestructible(adjective, tough, stable, moral, sturdy)
2
maintained(adjective, continued)
2
of a piece(expression, adjective, idiom, regular, even)
2
perduring(tough, stable, sturdy, enduring)
2
plugging(adjective, strong, firm, energetic, lively)
2
sure(adjective, strong, tough, flat, firm)
1
dateless(steady, continuous, lasting, permanent)
1
diurnal(stable, enduring, lasting, durable)
1
expected(adjective, common, regular, normal, even)
1
fireball(adjective, strong, firm, determined, steady)
1
for keeps(expression, stable, enduring, lasting)
1
forever and a day(expression, idiom, stable, lasting)
1
go-go(adjective, strong, firm, determined, steady)
1
grind(adjective, strong, firm, energetic, lively)
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APASmart Define. (2015). persistent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, persistent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>.
MLASmart Define. "persistent thesaurus" 1 June 2015. Web. 21 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms>