: in the next house, apartment, room, etc.
: next to your or someone else's house, apartment, room, etc.
: in a place that is very close to something else
What made you want to look up next door? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes