Synonyms|689Antonyms|188|Broader|9Narrower|13Related|1.4k
3
unfaltering
2
Perm
2
aged
2
assiduous
2
boundless(continuous, endless, infinite, everlasting, incessant)
2
fatal
2
glorious
2
good
2
hard and fast
2
immemorial(vast, lasting, everlasting, unending, undying)
2
inert
2
intransmutable
2
limitless(endless, infinite, boundless, incessant, ceaseless)
2
logical
2
long(adjective, endless, protracted, incessant, long-winded)
2
long-drawn-out(adjective, endless, protracted, incessant, long-winded)
2
longeval
2
monotonous(adjective, dull, steady, stable, regular)
2
nonstop(adjective, steady, stable, regular, fixed)
2
of long duration(expression, idiom, diuturnity)
For more, visit Permanent on Power Thesaurus
10 years ago|25k views|share |citing 
APASmart Define. (2016). permanent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/permanent/thesaurus/synonyms
ChicagoSmart Define. 2016. "permanent thesaurus" https://smartdefine.org/permanent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, permanent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/permanent/thesaurus/synonyms>.
MLASmart Define. "permanent thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/permanent/thesaurus/synonyms>