outworn
adjective
UK/ˌaʊtˈwɔːn/
US/ˌaʊtˈwɔːrn/
Definitions of outworn adjective
Having become outdated or obsolete, especially due to overuse or the passage of time; no longer practical or relevant.
These outworn rules need to be updated.
The class system in this society is outworn.
They used outworn technology to complete the job.