Noun
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judiciousness in avoiding harm or danger
"he exercised caution in opening the door"
"he handled the vase with care"
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the trait of practicing caution in advance
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a precautionary measure warding off impending danger or damage or injury etc.
"he put an ice pack on the injury as a precaution"
"an insurance policy is a good safeguard"
"we let our guard down"