At rest Definition 1 of 4Pro Tip 1/3Physical Stillness Used to describe objects or beings that are motionless and not engaged in any activity. The cat is at rest on the windowsill. Pro Tip 2/3Temporary Pause Indicates a brief period of inactivity before action resumes, like during a break. The players are at rest during halftime. Pro Tip 3/3Visual Tranquility Conveys a sense of peace or calmness when describing a scene or landscape. The lake was at rest under the moonlight.