immutableness

Noun immutableness has 1 sense

• immutableness(n = noun.attribute) fixity, immutability - the quality of being incapable of mutation; "Darwin challenged the fixity of species"
is a kind of changelessness, unchangeability, unchangeableness, unchangingness
has particulars: unalterability, agelessness
Derived form adjective immutable₁
Antonym: mutableness