Answer: stayedon

AnswerCrossword Clue
STAYEDON

Didn't check out

STAYEDON

Didn't retire

STAYEDON

Extended one's vacation

STAYEDON
Didn't leave
STAYEDON
Continued, as with a job
STAYEDONIgnored one's scheduled departure date
STAYEDONDidn't leave after everyone else left