The fact or condition of immediate succession or proximity; the quality of being next.

Alternative spelling of next door

That occupies an adjacent place, especially the building immediately to the left or right.

Very little.

That which is next; the next to be up.

Closest blood relative, heir to inheritance. / Close friend, spouse, or partner (for example on hospital admission form), one of someone's close ones.

In an adjacent building, room or place.

(dialectal) Next door to.

(usually postpositive) That is in an adjacent place; that is located next door.

The succeeding generation. / The next in line; upgrade.