41 entries under noun topic. ×

9
ripening(verb, developing)
6
ageing
6
seasoning
5
maturing(verb, stale, senescent, fading)
5
declining(verb, adjective, stale, fading)
5
senescent(adjective, decrease, old, stale)
4
senescence
4
maturation(senescent, upgrowth)
3
waning(decrease, stale, ebb, senescent)
3
developing(verb, adjective, stale, fading)
3
mellowing(verb, adjective, stale, fading)
2
decrepitude
2
development
2
timing
1
antiquity
1
decay(decrease, ebb, disappearance, senescent)
1
getting on(verb, expression, adjective, phrasal verb)
1
obsolescence
1
stale
0
attenuation(disappearance, putridity, spoilation)
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APASmart Define. (2015). aging thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/aging/thesaurus/synonyms
ChicagoSmart Define. 2015. "aging thesaurus" https://smartdefine.org/aging/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, aging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/aging/thesaurus/synonyms>.
MLASmart Define. "aging thesaurus" 13 October 2015. Web. 23 September 2026. <https://smartdefine.org/aging/thesaurus/synonyms>