ageing
Exponential means growing or increasing very rapidly.
Synonyms are flourishing, successful, affluent, or wealthy.
Superannuated has the synonyms outdated, outmoded, old-fashioned, or antiquated.
synonyms of elders are-senior, old person, older person
When I was growing "significantly" I experienced bone pain especially in the legs.
Old/ ancient/
ancient
seniors,old,
Some synonyms for 'old car' are:antiquegemheapjalopyjunkerrattletraptransportationvehicle
Aged, elderly & senior are all synonyms for old.
dilapidated, so yesterday, crumbled
bachelorette, lone woman, old main, virgin, single woman