next door

Universal Words adverb, adjective, noun adverb in the next room, house or building: The cat is from the house next door. * The manager's office is just next door. * We live next door to the pub. next-door adjective [onlybeforenoun]: our next-door neighbours * the next-door house noun [U+sing./pl.v.] (BrE, spoken) the people who live in the house or flat/apartment next to yours: Is that next door's dog? * The Volvo belongs to next door. \