83 entries under regular topic. ×

9
immutable(adjective, steady, stable, fixed)
9
recurrent(adjective, steady, constant, continuous)
8
nonstop(adjective, continue, steady, stable)
8
repeated(adjective, steady, stable, constant)
7
changeless(adjective, set, stable, fixed)
7
chronic(adjective, usual, routine, normal)
6
frequent(adjective, common, steady, constant)
6
unchangeable(adjective, set, fixed, constant)
5
uniform(adjective, dull, steady, stable)
4
confirmed(adjective, usual, routine, normal)
4
consecutive(adjective, present, steady, stable)
4
continued(adjective, steady, stable, constant)
4
even(verb, adjective, sound, steady, stable)
4
intermittent(adjective, normal, continuous, lasting)
4
monotonous(adjective, steady, stable, fixed)
4
numberless(adjective, normal, absolute, abundant)
3
prolonged(adjective, steady, stable, constant)
2
connected(adjective, steady, stable, fixed)
2
customary(usual, normal, established, hardened)
2
homogeneous(adjective, dull, steady, stable)
10 years ago|17k views|share |citing 
APASmart Define. (2016). perpetual thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms
ChicagoSmart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, perpetual thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>.
MLASmart Define. "perpetual thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms>