parameterless

As a noun terms

is .

As an adjective parameterless is

(computing theory) taking no parameters; having zero arity.

As adjectives the difference between parameterless and argumentless

is that parameterless is taking no parameters; having zero arity while argumentless is without arguments.

As a noun arity

is the number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product.

As an adjective parameterless is

taking no parameters; having zero arity.

As a noun parameter

is parameter.

As an adjective parameterless is

(computing theory) taking no parameters; having zero arity.