Antonyms of adj ever-changing

1 sense of ever-changing

Sense 1
changing, ever-changing -- (marked by continuous change or effective action)

INDIRECT (VIA dynamic) -> undynamic, adynamic -- (characterized by an absence of force or forcefulness)

Similarity of adj ever-changing

1 sense of ever-changing

Sense 1
changing, ever-changing -- (marked by continuous change or effective action)
       => dynamic (vs. undynamic), dynamical -- (characterized by action or forcefulness or force of personality; "a dynamic market"; "a dynamic speaker"; "the dynamic president of the firm")