Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun senescence

2 senses of senescence

Sense 1
aging, ageing, senescence -- (the organic process of growing older and showing the effects of increasing age)
       => organic process, biological process -- (a process occurring in living organisms)

Sense 2
agedness, senescence -- (the property characteristic of old age)
       => oldness -- (the opposite of youngness)