Not accurately determined or determinable(adjective)
Imprecise or vague(adjective)
A variable with no value assigned to it; for example the variables in a polynomial.(noun)
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Use "indeterminant" in a sentence
"And in the 1960s then, as a member of the California Women's Board of Terms and Parole, when California had what was called the indeterminant sentence law, I actually sentenced women who committed abortions to prison terms."
"Patients were divided in four categories: Crohn's disease (CD), ulcerative colitis (UC), indeterminant colitis (IC) and microscopic colitis (MC)."
"Or band/wind ensemble music: the entire avant garde was basically shut out by the wind ensemble establishment; there are simply no uptown serial bebop band pieces, no indeterminant band pieces, and no classical minimalist band pieces, but plenty of new music was commissioned, written, published and performed during this period."