nextdoor

/ˈnɛkstˌdɔr/
adverb
  1. In or to the adjacent house or building (alternative spelling of 'next door').
    • He works nextdoor in the office building.
    • The children ran nextdoor to play with their friends.
    • We can hear the party nextdoor from our living room.
Synonyms
adjective
  1. Located in or relating to the adjacent house or building (alternative spelling of 'next-door').
    • The nextdoor apartment has a beautiful balcony.
    • She runs a small bakery in the nextdoor building.
    • Our nextdoor neighbor invited us for dinner.