noun
definition
One who is between the age of 70 and 79, inclusive.
adjective
definition
Being between the age of 70 and 79, inclusive. In one's eighth decade.
definition
Of or relating to a septuagenarian.
Examples of septuagenarian in a Sentence
John was now a septuagenarian "king in exile," but he was still vigorous enough to revenge himself on Frederick, by commanding the papal troops which attacked southern Italy during the emperor's absence on the sixth crusade (1228-1229).
This worn-out septuagenarian, who prized rest above everything, imported into foreign policy the same mania for economy and the same sloth in action.
On the way she visits Southampton, where a septuagenarian spinster relative of her late husband lives - Aunt Margaret Albany.
Could Manu, the spry septuagenarian Cameroonian, keep it all locked down?