What is the meaning of Indeterminate?

Not accurately determined or determinable.

Imprecise or vague.

Not definitively or precisely determined, because of the presence of infinity or zero symbols used in any of several improper combinations.

With no genetically defined end, and thus theoretically limitless.

Not topped with some form of terminal bud.

Intersex.

Designed to allow the incorporation of future changes whose nature is not yet known.

A symbol that resembles a variable or parameter but is used purely formally and neither signifies nor is ever assigned a particular value;
a variable.

feminine plural of indeterminato

vocative masculine singular of indēterminātus

Source: wiktionary.org