NEXT DOOR

{adv.} or {adj.} 1. In or to the next house or apartment. * /He lived next door to me./ * /She telephoned next door to ask about John./ * /The house next door caught fire./ 2. Very close. - Used with "to". * /The sick man was next door to death./ * /Printing secrets about our country's missiles is next door to treason./