undecided

adjective
1
not having made a decision about somebody/something
بی‌تصمیم, مردد, بلاتکلیف, تصمیم‌نگرفته, دو دل
2
not having been decided
مردد, بلاتکلیف, تصمیم‌نگرفته, مشخص‌نشده, نامشخص
The venue for the World Cup remains undecided.
The question cannot be left undecided.