57 entries under decline topic. ×

9
senility(noun, weakness, age, infirmity)
7
decrepitude(noun, collapse, deterioration, age)
6
age(noun, age, infirmity, feebleness)
6
old age(noun, expression, idiom, period)
4
dotage(noun, age, infirmity, feebleness)
3
anility(noun, age)
3
decay(noun, collapse, down, deterioration)
3
second childhood(noun, expression, idiom, age)
3
senectitude(noun, weakness, age, infirmity)
2
blight(noun, collapse, deterioration, impairment)
1
adulteration(collapse, deterioration, impairment, degeneration)
1
atrophy(ruin, collapse, failing, deterioration)
1
breaking down(expression, collapse, deterioration, impairment)
1
caries(ruin, collapse, failing, deterioration)
1
consumption(ruin, collapse, failing, deterioration)
1
corrosion(ruin, collapse, failing, deterioration)
1
crumbling(ruin, collapse, failing, deterioration)
1
decadence(ruin, collapse, failing, deterioration)
1
decomposition(noun, collapse, deterioration, impairment)
1
decrease(noun, ruin, collapse, failing)
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APASmart Define. (2015). senescence thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/senescence/thesaurus/synonyms
ChicagoSmart Define. 2015. "senescence thesaurus" https://smartdefine.org/senescence/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, senescence thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/senescence/thesaurus/synonyms>.
MLASmart Define. "senescence thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/senescence/thesaurus/synonyms>