"Indeterminate" Natural Recordings by Native Speakers
Indeterminate refers to something that is not clearly defined or fixed; lacking clear limits, definition, or boundaries. It can also describe something that is open-ended, ambiguous, or uncertain, making it difficult to determine or predict its outcome or nature. In some fields, such as mathematics, indeterminate can also describe a quantity or expression that cannot be determined or is impossible to evaluate exactly.
Unbreakable, unshaken, and unaffected by wear, tear, or damage; extremely strong and able to withstand attack or destruction.