indeterminate

They said his aim seems to have been "to kill an indeterminate number of people".

The state has indeterminate sentencing, which is given in a range of years rather than a fixed number.

Utah has an indeterminate sentencing, meaning it is given in a range of years rather than a fixed number.

Harley is a rescue hound, of indeterminate but clearly mixed breed, who is given to leaping in the air to snap at moths and making vain but enthusiastic attempts to catch lizards.

However, Blank said the power to determine when the last possible opportunity to implement maps resides with the courts, meaning that the actual timeline for a successful quorum break is indeterminate.