0
mounting
0
move
0
old age(expression, idiom)
0
old fashioned(expression, idiom)
0
old man(expression, idiom)
0
oldness
0
on the skids(expression, idiom, decrease, ebb, senescent)
0
ontogenesis
0
organic process(expression, idiom)
0
out of date(expression, idiom)
0
outdated
0
outgrowth
0
outward flow(expression, decrease, ebb, senescent)
0
outworn
0
perfecting(ripening, developing)
0
perplex
0
phasing
0
pratfall(decrease, ebb, senescent)
0
preparing(ripening, developing)
0
progressing
10 years ago|5.8k views|share |citing 
APASmart Define. (2015). aging thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/aging/thesaurus/synonyms
ChicagoSmart Define. 2015. "aging thesaurus" https://smartdefine.org/aging/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, aging thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/aging/thesaurus/synonyms>.
MLASmart Define. "aging thesaurus" 13 October 2015. Web. 22 September 2026. <https://smartdefine.org/aging/thesaurus/synonyms>