senescence

Meaning

The process or condition of biological ageing; the gradual deterioration of function with age.

Origin / Etymology

From Latin senescere, to grow old, from senex, old.

Synonyms

ageing deterioration decline maturation

Antonyms

rejuvenation regeneration renewal youth

Example Sentence

"Advances in the biology of cellular senescence are reshaping how public health systems plan for a rapidly ageing population."

🎯 UPSC Usage

Useful in GS2 answers on ageing demographics and GS3 answers on biotechnology. Use it to frame the demographic transition, for example, 'India must build geriatric care infrastructure before senescence reshapes its dependency ratio.'

Relevant Subjects

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