adjoining

adjective
UK /əˈdʒɔɪnɪŋ/
US /əˈdʒɔɪnɪŋ/

Next to or touching something.

We stayed in adjoining rooms at the hotel.


OTHER MEANINGS

2. Sharing a common boundary or wall.

The two houses have adjoining gardens.

3. Joined or united to something.

The adjoining fields were merged into one farm.

4. Being in close contact with something.

The library is adjoining the main hall.