Synonyms|718Antonyms|124|Broader|10Narrower|0Related|388

44 entries under idiom topic. ×

6
without end(expression, adjective, present, constant)
2
no end of(expression, constant, endless, infinite)
2
of long duration(expression, diuturnity)
2
of long standing(expression, familiar, established, long-established)
2
without limit(expression, infinity)
2
without measure(expression, infinity)
2
without number(expression, infinity)
1
bound and determined(expression, adjective, determined, persistent)
1
eternally the same
1
forever and a day(expression, stable, constant, lasting)
1
in for the long haul(expression, stable, enduring, lasting)
1
like the Rock of Gibralter(expression, adjective, steady, stable)
1
many times(expression, frequency)
1
no end to(expression, constant, endless, infinite)
1
not rare(expression, frequency)
1
of a piece(expression, adjective, steady, stable)
1
on a treadmill(expression, steady, regular, constant)
1
political worker(expression, government)
1
solid as rock(expression, adjective, steady, stable)
1
till the cows come home(expression, permanent, long-term, lifelong)
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ChicagoSmart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, perpetual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>.
MLASmart Define. "perpetual thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms>