Antonyms of adj idempotent

1 sense of idempotent

Sense 1
idempotent -- (unchanged in value following multiplication by itself; "this matrix is idempotent")

INDIRECT (VIA unchanged) -> changed -- (made or become different in nature or form; "changed attitudes"; "changed styles of dress"; "a greatly changed country after the war")

Similarity of adj idempotent

1 sense of idempotent

Sense 1
idempotent -- (unchanged in value following multiplication by itself; "this matrix is idempotent")
       => unchanged (vs. changed) -- (not made or become different; "the causes that produced them have remained unchanged")