old (having lived or existed for a long time): He is now an old man. My old car consumes a lot of gasoline.
aged (very old): He had to look after his aged father.
elderly (a polite word for old): The elderly are eligible for financial assistance.
no spring chicken (not young): I’m no spring chicken; I’m fifty years old.
in one’s dotage (old and weak): I have to care for my grandmother; she’s in her dotage.
