Meaning & use
precaution
An action taken in advance to prevent harm, danger, or an unwanted outcome.
See it in a sentence
As a precaution, the school closed early before the storm arrived.
She kept a spare key hidden outside as a precaution against being locked out.
A note on using this word
Precaution is often used with 'take', as in 'take precautions', rather than 'make precautions'.
Words with a similar meaning
safeguardprotection
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
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