Indeterminate means not clearly defined or determined, vague, uncertain, or ambiguous. It is something that cannot be precisely predicted or ascertained because there is lack of information or evidence to make a definite conclusion.
Usage examples
The test results came back with an indeterminate outcome, requiring further analysis.
The investigation into the accident remains indeterminate, as there are conflicting witness accounts.
The committee's decision on the proposal was indeterminate, as they couldn't come to a consensus.
The patient's condition is still indeterminate, and additional medical tests will be conducted.
The project timeline is currently indeterminate due to unforeseen delays.
With this emphasis on the feminine through the use of indeterminate details of gender, we catch a glimpse of those depicted, sans the societal screen of gender identity, and purely for their empathetic and emotive expressions and gestures found in both their most clandestine and confrontational moments of intimacy. (juxtapoz.com)
As such, any cases that are brought to Federal Judiciary will be tried by lower Federal judges (circuit courts I assume) and then the circuit court decision on the case will be the law of the land until (at some point in indeterminate future) SCOTUS is re-constituted and overturns one of those decisions. (politics.stackexchange.com)
Their stories explain how they prepare for lengthy budget negotiations, the challenges of waiting around for indeterminate amounts of time and the desperation caused by staring at closed doors. (poozerpolitics.com)