Synonyms|243Antonyms|38|Broader|1Narrower|0Related|60

28 entries under lifelong topic. ×

7
undying(adjective, stability, permanent, long-term)
4
inexpungible(adjective, permanent, long-term, indestructible)
3
forever(adverb, permanent, long-term)
1
abiding(permanent, long-term)
1
continual(permanent, long-term)
1
continuing(permanent, long-term)
1
deep-rooted(adjective, fixed, permanent, long-term)
1
endless(adjective, permanent, long-term)
1
eternal(adjective, permanent, long-term)
1
everlasting(adjective, permanent, long-term)
1
in for the long haul(expression, idiom, permanent, long-term)
1
incessant(permanent, long-term)
1
indissoluble(stability, permanent, long-term)
1
inexhaustible(permanent, long-term)
1
long-lasting(adjective, permanent, long-term)
1
long-term
1
longstanding(permanent, long-term)
1
old(permanent, long-term)
1
perdurable(permanent, long-term)
1
perennial(adjective, permanent, long-term)
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ChicagoSmart Define. 2016. "indelible thesaurus" https://smartdefine.org/indelible/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, indelible thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/indelible/thesaurus/synonyms>.
MLASmart Define. "indelible thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/indelible/thesaurus/synonyms>