Definitions
There is 1 meaning of the phrase
Next Door.
Next Door - as an adverb
At or in or to the adjacent residence
Example: "The criminal had been living next door all this time"
Synonyms (Exact Relations)
in the adjacent apartmentin the adjacent houseExample Sentences
"The next door neighbor has a noisy dog."
"I borrowed a cup of sugar from the next door house."
"The next door room is vacant, you can stay there."
"We often hear loud music from the next door party."
"My best friend lives next door to me."