Synonyms|383Antonyms|84|Broader|3Narrower|0Related|189
1
immutable(adjective, persistent, constant, continuous, endless)
1
in for the long haul(expression, idiom, permanent, long-term, lifelong)
1
indefinite(lasting, permanent, everlasting, unending, undying)
1
indelible(permanent, long-term, lifelong)
1
indesinent
1
indissoluble(permanent, long-term, lifelong)
1
indomitable(adjective, strong, firm, determined, steady)
1
inexhaustible(adjective, strong, firm, determined, steady)
1
inexpungible(permanent, long-term, lifelong)
1
infernal
1
interminate(continuous, endless, infinite, boundless, incessant)
1
joined
1
jointless
1
lifelong(permanent, recurrent, perpetual, long-term, returning)
1
linked
1
long-lasting(adjective, continuous, permanent, everlasting, uninterrupted)
1
long-term(permanent, lifelong)
1
longstanding(permanent, recurrent, perpetual, long-term, lifelong)
1
looped(steady, stable, regular, endless, infinite)
1
machine gun
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ChicagoSmart Define. 2015. "unceasing thesaurus" https://smartdefine.org/unceasing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unceasing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unceasing/thesaurus/synonyms>.
MLASmart Define. "unceasing thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unceasing/thesaurus/synonyms>