Definition of "Indeterminate" :

adjective: not leading to a definite ending or result

"An indeterminate campaign."

adjective: (of a quantity) having no definite value, as an equation that cannot be solved

"0/0 is an indeterminate form."

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

"Of indeterminate age."

adjective: having a capacity for continuing to grow at the apex

"An indeterminate stem."

adjective: of uncertain or ambiguous nature

"The equivocal (or indeterminate) objects painted by surrealists."