permanent disqualification; lifetime ban
Used in sports, competitions, and official contexts for a ban that lasts forever.
The athlete who was caught doping received a lifetime ban.
Permanent disqualification for misconduct means you can never compete in the tournament again.
失格 is a general disqualification, while 永久失格 specifies that it is permanent.
Compound of 永久 (eternal) and 失格 (disqualification).