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1. Inactive, either mentally or physically. I was worried that my mother was mad at me until she called and put my mind at rest. It's finally quiet in here with that machine at rest. I need a few minutes at rest after doing all that work in the garden.
2. Said of one who has died. Aunt Margaret suffered through a long illness. At least she is at rest now.
1. not moving; not active. After the hectic day, the office was finally at rest at 8:00 P.M. When the car is at rest, you can get into the backseat.
2. Euph. dead. After a long, weary life, Emily is at rest. There he is, at rest in his coffin.
1. In a state of inactivity or repose, either physical or mental. For example, The doctor's clear explanation put her mind at rest. Chaucer used this idiom in Troilus and Cressida (c. 1374): "I mine heart set at rest upon this point." Also see lay at rest.
2. Dead, as in His soul is now at rest with his forebears. This usage, employing rest to refer to death's repose, is less common today. [1300s]
1 (technical) not moving: At rest the insect looks like a dead leaf.
2 dead and therefore free from trouble or anxiety. People say ‘at rest’ to avoid saying ‘dead’: She now lies at rest in the family grave.
2. Motionless; inactive.
3. Free from anxiety or distress.