Synonyms|79Antonyms|12|Broader|0Narrower|0Related|202

2 entries under fundamental topic. ×

1
continuing(permanent, operating, recurrent, perpetual)
1
perdurable(permanent, continuing, operating, recurrent)
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APASmart Define. (2013). longstanding thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/longstanding/thesaurus/synonyms
ChicagoSmart Define. 2013. "longstanding thesaurus" https://smartdefine.org/longstanding/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, longstanding thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/longstanding/thesaurus/synonyms>.
MLASmart Define. "longstanding thesaurus" 27 June 2013. Web. 26 September 2026. <https://smartdefine.org/longstanding/thesaurus/synonyms>