adjective Not accurately determined or determinable.
adjective Imprecise or vague.
adjective Not definitively or precisely determined, because of the presence of infinity or zero symbols used in any of several improper combinations.
adjective With no genetically defined end, and thus theoretically limitless.
adjective Not topped with some form of terminal bud.
adjective Intersex.
adjective Designed to allow the incorporation of future changes whose nature is not yet known.
noun 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.