60 entries under stable topic. ×

1
imperishable(constant, continuous, enduring, lasting)
1
in for the long haul(expression, idiom, enduring, lasting)
1
like the Rock of Gibralter(expression, adjective, idiom, steady)
1
long-lasting(constant, enduring, lasting, permanent)
1
monochrome(adjective, dull, steady, regular)
1
monophonic(adjective, dull, steady, regular)
1
of a piece(expression, adjective, idiom, steady)
1
perduring(constant, enduring, lasting, durable)
1
regularized(adjective, dull, steady, regular)
1
set(usual, constant, established, hardened)
1
solid as rock(expression, adjective, idiom, steady)
1
stabile(adjective, direct, smooth, right, flat)
1
standardized(adjective, dull, steady, regular)
1
together(adjective, dull, steady, regular)
1
unalterable(adjective, dull, steady, regular)
1
unfading(constant, enduring, lasting, durable)
1
unflappable(adjective, dull, steady, regular)
1
unfluctuating(adjective, direct, smooth, right, flat)
0
set in concrete(expression, constant, enduring, lasting)
0
set in stone(expression, idiom, constant, lasting)
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APASmart Define. (2016). continual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/continual/thesaurus/synonyms
ChicagoSmart Define. 2016. "continual thesaurus" https://smartdefine.org/continual/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, continual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/continual/thesaurus/synonyms>.
MLASmart Define. "continual thesaurus" 12 February 2016. Web. 23 September 2026. <https://smartdefine.org/continual/thesaurus/synonyms>