1.
If a hotel, restaurant, theatre, or transport service is booked up , it has no rooms, tables, or tickets left for a time or date. ( mainly BRIT )
St Just seemed pretty booked up, but we managed to find a room at the George.
= full
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2.
If someone is booked up , they have made so many arrangements that they have no more time to do things. ( mainly BRIT )
Mr Wilson’s diary is booked up for months ahead...
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