underdetermined

About 0.07 uses per million words.

Meaning

1. adjective Having too few constraints to specify a unique solution.
2. verb simple past and past participle of underdetermine

Similar words

underconstrained underdefined underparameterized nonconstrained indeterminant semiconstrained unconstrained underdescribed unspecifiable unconstrainted

Often followed by

by and system in problem systems nature case with