Definitions for outwornˈaʊtˈwɔrn, -ˈwoʊrn
Random House Webster's College Dictionary
out-of-date, outmoded, or obsolete.
worn-out, as clothes.
exhausted in strength or endurance, as persons.
Ref: pp. of outwear .
Origin of outworn:
no longer usable
My sister gave away her shoes from when she was little, having outworn them.
out of date