1A measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening: he had taken the precaution of seeking legal advice
More example sentences
- 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.