2
perennial(adjective, characteristic, life)
2
permanent(adjective, characteristic, life)
2
perpetual(adjective, characteristic, life)
2
persistent(adjective, characteristic, life)
2
prolonged(adjective, characteristic, life)
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APASmart Define. (1970). life stage thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/life_stage/thesaurus/related
ChicagoSmart Define. 1970. "life stage thesaurus" https://smartdefine.org/life_stage/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, life stage thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/life_stage/thesaurus/related>.
MLASmart Define. "life stage thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/life_stage/thesaurus/related>