The state or quality of being unchangeable; immutability.(noun)
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Use "unchangeableness" in a sentence
"The static immobility and complete "unchangeableness" which the possessive instinct pretends to itself is all it desires is really therefore nothing but a mask for its desire to destroy."
"Incorporeal created substance is, however, differentiated from the divine, principally on account of its mutability and multiplicity even so, the infinite number and constant mutability of created monads constitute an obverse reflection of the unity, infinity, eternity and unchangeableness of God."
"SOCRATES: Clearly the science which has to do with all that knowledge of which we are now speaking; for I am sure that all men who have a grain of intelligence will admit that the knowledge which has to do with being and reality, and sameness and unchangeableness, is by far the truest of all."