undetermined

About 0.96 uses per million words.

Meaning

1. adjective Not determined; not settled; not decided.
2. adjective Not limited; not defined; indeterminate.
3. verb simple past and past participle of undetermine

Similar words

indeterminate unexplained undecided open-ended unresolved unsettled open cost-plus unknown unidentified

Often followed by

number and by origin in significance whether coefficients amount