precaution

/prɪˈkɑʃɪn/

/prəˈkɔʃən/

Other forms: precautions

A precaution is a careful action you make in advance. You might want to take the precaution of bringing lots of water and sunblock if you're going on a desert hike.

Precaution means exactly what it sounds like. The prefix pre- means before, and caution means carefulness in the face of danger. People use glasses when they're on a computer as a precaution because there are links to long hours on a computer and vision damage. A fire drill is a precaution so that you know what to do in case of a real fire. Someone who is always careful exhibits precaution.

Definitions of precaution

1. noun

   a precautionary measure warding off impending danger or damage or injury etc.
   “he put an ice pack on the injury as a precaution”

   synonyms: guard, safeguard

   types:

   backstop

   a precaution in case of an emergency

   security, security measures

   measures taken as a precaution against theft or espionage or sabotage etc.

   type of:

   measure, step

   any maneuver made as part of progress toward a goal
2. noun

   the trait of practicing caution in advance
   type of:

   caution, circumspection

   the trait of being circumspect and prudent
3. noun

   judiciousness in avoiding harm or danger
   synonyms: care, caution, forethought

   type of:

   judiciousness

   good judgment