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.
Designed to allow the incorporation of future changes whose nature is not yet known.
Not topped with some form of terminal bud.
Intersex.
Not accurately determined or determinable.
a variable.
A symbol that resembles a variable or parameter but is used purely formally and neither signifies nor is ever assigned a particular value;
indicating the absence of something
causing privation; depriving
consisting in the absence of something; negative
something that causes privation or indicates an absence