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

63 entries under stable topic. ×

1
unflappable(adjective, dull, steady, regular)
0
set in concrete(expression, idiom, constant, enduring)
0
set in stone(expression, idiom, constant, lasting)
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APASmart Define. (2016). perpetual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms
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>