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

(dialectal) Next door to.

In an adjacent building, room or place.

(informal) next-generation

plural of next friend

(law) A person who represents another person who is under disability or otherwise unable to maintain a suit on their own behalf, and who does not have a legal guardian.

afterlife

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

(idiomatic) Significantly more advanced, better, or more extreme.

(countable) Used other than figuratively or idiomatically: see next, level. / (uncountable) A significantly more advanced or unusual state or situation.