This is the 5636th most frequent Spanish word.
provisional
Temporary; not permanent.
The word 'provisional' is used to describe something temporary, serving as a placeholder or stopgap before a final or more permanent option is determined.
Esta solución es provisional hasta que encontremos una permanente.
This solution is provisional until we find a permanent one.
Here 'provisional' indicates that the permit is temporary and conditional, valid until the circumstances requiring its issuance are resolved.
Se le otorgó un permiso provisional para trabajar mientras resuelven su situación.
He was given a provisional permit to work while they resolve his situation.
In this sentence, 'provisional' conveys the temporary and makeshift nature of the shelter, serving a short-term need while more permanent accommodations are arranged.