That is incapable of being measured. / That is incapable of being ascertained.

An indeterminable thing or quantity.

plural of indeterminant

The quality of being indeterminate.

plural of indeterminable

Archaic form of undetermined.

The quality of being indeterminable.

plural of indetermination

(grammar) A noun form occurring in Afroasiatic languages, when the noun does not bear a determiner – where it would use the determinate state –, nor governs a noun – where it would use the construct state.

Used other than figuratively or idiomatically: see indeterminate, verb. / (Slavic grammar) Synonym of abstract verb