- A measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening: he had taken the precaution of seeking legal adviceMore example sentences
safeguard, preventative/preventive measure, safety measure, contingency (plan), insurance
- You'd been checking yourself every day, as a matter of course, as a precaution.
- He will sign the act; it is a necessary precaution and the only course of action possible at this time.
- Of course I took the precaution of turning my light off first, and it was a lucky thing I did.
late 16th century (in the sense 'prudent foresight'): from French précaution, from late Latin praecautio(n-), from Latin praecavere, from prae 'before' + cavere 'take heed, beware of'.