indeterminable

Impossible to fix or measure.

Impossible to settle or decide with finality.

Incapable of being determined, ascertained, or fixed.

Not to be determined or ended; interminable.

In natural history, not definable; incapable of specialization: said of a specimen which, from its nature or condition, cannot be properly classified and named.

Not determinable; impossible to be determined; not to be definitely known, ascertained, defined, or limited.

An indeterminable thing or quantity.

That is incapable of being measured

That is incapable of being ascertained

An indeterminable thing or quantity.