Synonyms|718Antonyms|124|Broader|10Narrower|0Related|388

218 entries under adjective topic. ×

6
limitless(constant, absolute, abundant, endless)
6
ongoing(continue, constant, current, continuous)
6
unbounded(constant, absolute, abundant, unrestrained)
6
unchangeable(set, regular, fixed, constant)
6
without end(expression, idiom, present, constant)
5
innumerable(infinite, infinity)
5
inveterate(familiar, usual, established, hardened)
5
lifelong(familiar, established, permanent, durable)
5
long(endless, durable, incessant, ceaseless)
5
perdurable(stable, constant, endless, enduring)
5
repetitive
5
running(steady, constant, flowing, frequent)
5
uniform(dull, steady, stable, regular)
4
amaranthine(continue, constant, endless, infinite)
4
around-the-clock(continue, continual)
4
confirmed(usual, regular, routine, normal)
4
consecutive(present, steady, stable, regular)
4
continued(steady, stable, regular, constant)
4
eterne(continue, archaism)
4
even(verb, sound, steady, stable)
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APASmart Define. (2016). perpetual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms
ChicagoSmart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, perpetual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>.
MLASmart Define. "perpetual thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms>