Centenarian
Part of speech: noun
Definition: One who is at least 100 years old. One who is past his or her tenth decade.
Part of speech: adjective
Definition: Being at least 100 years old. Beyond one's tenth decade. Of or related to a centenarian.
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being, having lived for relatively many years.Having existed or lived for the specified time.Former, previous.Obsolete; out-of-date.TiresomeSaid of subdued colors, particularly reds, pinks and oranges, as if they had faded over time.Of an object, concept, relationship, etc., having existed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: That old law about 'an eye for an eye' leaves everybody blind. The time is always right to do the right thing.