Synonyms of 'foyer'
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An anteroom is a small room leading into a larger room.
I was waiting in the anteroom of a radio studio.
In a hotel or other large building, the lobby is the area near the entrance that usually has corridors and staircases leading off it.
I met her in the lobby of the museum.
Thesaurus for foyer from the Collins English Thesaurus
The foyer is the large area where people meet or wait just inside the main doors of a building such as a theatre, cinema, or hotel.