Octogenarian
Part of speech: noun
Definition: One who is between the age of eighty and eighty-nine, inclusive.
Part of speech: adjective
Definition: Being between the age of 80 and 89, inclusive. Of or related to an octogenarian.
Old
Part of speech: adjective
Definition: Of an object, concept, relationship, etc., having existed for a relatively long period of time.Of a living being, having lived for relatively many years.Having existed or lived for the specified time.Former, previous.Obsolete; out-of-date.TiresomeSaid of subdued colors, particularly reds, pinks and oranges, as if they had faded over time.Of an object, concept, relationship, etc., having existed for a relatively long period of time.
Example sentence: You are never too old to set another goal or to dream a new dream.