1
tough
1
unabating(persistent, continuous, lasting, continuing, remaining)
1
unconditional
1
unfading
1
unlimited
1
unqualified
1
usual(persistent, continuous, hardened, lasting, continuing)
1
very much alive(expression, idiom)
1
viable
1
vital
1
vivified
1
zoetic
0
advancing(adjective, continuing)
0
carrying on(adjective, continuing)
0
continuous(persistent, lasting, continuing, remaining)
0
duration
0
familiar(established, long-established)
0
firm(familiar, established, long-established)
0
full of years
0
getting on
10 years ago|6.5k views|share |citing 
APASmart Define. (2016). long-lived thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/long-lived/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-lived thesaurus" https://smartdefine.org/long-lived/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, long-lived thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/long-lived/thesaurus/synonyms>.
MLASmart Define. "long-lived thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/long-lived/thesaurus/synonyms>