›HRto move someone to a less senior job than the one they had before: demote sb from/to sthHer manager demoted her from her job as a supervisor.demote sb for sthSources said he was demoted for violation of departmental rules.
›to move a company, team, etc. to a lower place in a list because it has performed badly: demote sth from/to sthThe company was demoted from the FTSE 1000 after its shares slumped 13p to 34p.