indeterminate

adjective

1. 1

   not leading to a definite ending or result

   an indeterminate campaign

2. 2

   not capable of being determined

   the indeterminate number of plant species in the jungle

3. 3

   not precisely determined or established; not fixed or known in advance

   of indeterminate age

   a zillion is a large indeterminate number

4. 4

   having a capacity for continuing to grow at the apex

   an indeterminate stem

5. 5

   of uncertain or ambiguous nature

   the equivocal (or indeterminate) objects painted by surrealists