Precaution
/priˈkɔʃən/
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Definition
(noun) Previous caution or care; caution previously employed to prevent misfortune or to secure good.
Sentence Examples
As a last precaution, I put a flashlight into my pack.
As a precaution against infection, please put on the face mask provided to you.
CEFR Practice Quiz
She took the ____ of backing up all her files before installing the new operating system.