Simple Definition of precaution
: something that is done to prevent possible harm or trouble from happening in the future
Examples of precaution
Be sure to follow the usual safety precautions when cooking outdoors.
When driving, she always wears her seatbelt as a precaution.
Every home owner should take precautions against fire.
She took the precaution of packing extra medicine for the trip.
Origin of precaution
French précaution, from Late Latin praecaution-, praecautio, from Latin praecavēre to guard against, from prae- + cavēre to be on one's guard — more at hear
First Known Use: 1603
PRECAUTION Defined for Kids
Definition of precaution
: something done beforehand to prevent harm or trouble or bring about good results <You should take precautions against fire.>
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