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on the safe side
01
as carefully as possible in order to avoid any risk
Idiom
Informal
What is the origin of the idiom "on the safe side" and when to use it?
The idiom "on the safe side" originates from the idea of erring on the side of caution, ensuring safety and avoiding unnecessary risks. It is used to describe a cautious approach or decision-making to prevent potential problems or dangers, even when the likelihood of an adverse outcome is minimal.
Examples
You probably won't need to apply for planning permission to build a shed in your garden, but to be on the safe side, check with your local planning department.
