not determinate; not precisely fixed in extent; indefinite; uncertain.

not clear; vague.

not established.

not settled or decided.

Mathematics .

(of a quantity) undefined, as 0/0.

(of an equation) able to be satisfied by more than one value for each unknown.

Botany . (of an inflorescence) having the axis or axes not ending in a flower or bud, thus allowing further elongation.

Mathematics . something whose value is not specified

used esp. in abstract algebra; a variable.

adjective

certain , definite , determined , exact , fixed , measurable , sure

adjective

borderless , general , imprecise , inconclusive , indefinite , indistinct , inexact , undefined , undetermined , unfixed , unspecified , unstipulatednotes:indeterminable means impossible to decide , fix , or measure while indeterminate means unclear or vague , borderline , chancy , clouded , doubtful , dubious , dubitable , equivocal , indecisive , problematic , problematical , questionable , uncertain , unclear , unsure , ambiguous , aoristic , capricious , irresolute , obscure , unresolved , unstable , vague