Synonyms|718Antonyms|124|Broader|10Narrower|0Related|388
2
repetitious(adjective, lasting, continual)
2
same(adjective, set, regular, fixed, constant)
2
sempervirent
2
set(adjective, stable, regular, fixed, constant)
2
solid(sound, familiar, whole, continuous, established)
2
static(set, regular, fixed, constant, rigid)
2
sumless
2
thick(adjective, regular, normal, frequency, recurrent)
2
tough
2
ubiquitous(regular, normal, recurrent)
2
unaltered(adjective, wild, original, basic, uniform)
2
unintermitting
2
unmeasured
2
unnumbered
2
unrelieved
2
without limit(expression, idiom, infinity)
2
without measure(expression, idiom, infinity)
2
without number(expression, idiom, infinity)
1
age-long
1
all-comprehensive
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APASmart Define. (2016). perpetual thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms
ChicagoSmart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, perpetual thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>.
MLASmart Define. "perpetual thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms>