›UKCOMMERCE, WORKPLACEif a store, restaurant, or public place shuts or someone shuts it, it stops being open for business at the end of the day, week, etc.: The shops shut at 7 on Friday.
›COMMERCEif a business shuts or is shut, it stops operating permanently: When tougher controls force these dumps to shut, their operators will vanish.The older plant will be shut down soon.
shut up shopUKinformal›to stop operating a business either temporarily or permanently: Last weekend the greengrocer shut up shop and others are likely to follow.In contrast to other national institutions that are shutting up shop for Christmas, nobody knows when - if ever - it will re-open.