At rest and Unmoving

At rest adjective - In a state of repose or especially sleep.

Unmoving is a synonym for at rest in motionless topic. In some cases you can use "Unmoving" instead an adjective phrase "At rest", when it comes to topics like movement, calm, still. popular alternative

Unmoving adjective - Not arousing emotions.

At rest is a synonym for unmoving in still topic. You can use "At rest" instead an adjective "Unmoving". popular alternative