calzephyr77August 7th, 2019, 06:44 am Wednesday Word: Senescence Senescence - adjective. Senescence happens to all living things - it's a word to describe aging or growing old. It can also refer to, in biology, the inability of a cell that is still alive but no longer able to divide.Painting by Octavio Ocampo Tags adjective, s, wordsmith: calzephyr77