possible profanity
1
inexhaustible(permanent, long-term, lifelong)
1
inexpungible(permanent, long-term, lifelong)
1
ingrained(persistent, continuous, hardened, lasting, continuing)
1
insist on(verb, expression, phrasal verb)
1
intact
1
interminable(adjective, determined, steady, persistent, constant)
1
intransient
1
invincible
1
inviolate
1
laddering
1
laming
1
lamming
1
lifelong(persistent, continuous, hardened, lasting, permanent)
1
like bad penny
1
longstanding(permanent, long-term, lifelong)
1
macrobiotic
1
maintenance(noun, extension, persistence, continuance)
1
never-ending
1
neverending(adjective, steady, resolute, persistent, constant)
1
nonstop(adjective, persistent, constant, continuous, endless)
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). persisting thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/persisting/thesaurus/synonyms
ChicagoSmart Define. 2015. "persisting thesaurus" https://smartdefine.org/persisting/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, persisting thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/persisting/thesaurus/synonyms>.
MLASmart Define. "persisting thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/persisting/thesaurus/synonyms>