Definition

Adjective: 1. Taken in advance to protect against possible danger or failure: Describes an action, measure, or step that is performed beforehand to prevent harm, mitigate risk, or avoid a potential problem.

Usage

The adjective "precautional" is used to describe measures that are anticipatory and preventive in nature. It is synonymous with "precautionary" and is typically used in formal or technical contexts related to safety, health, security, and planning.

Examples

• The engineers implemented precautional measures to ensure the bridge could withstand the storm.
• Before the surgery, the doctor outlined several precautional steps to prevent infection.
• A precautional evacuation was ordered as the hurricane approached the coast.

Advanced Usage

• "precautional principle": A philosophical and legal approach stating that if an action or policy has a suspected risk of causing harm, precautional measures should be taken even if some cause-and-effect relationships are not fully established scientifically.
  • The new environmental law is based on the precautional principle.

Variants and Related Words

• Precautionary (adj): Having the same meaning as "precautional"; more commonly used.
  • They took precautionary steps.
• Precaution (n): A measure taken in advance to prevent something undesirable.
  • Wearing a helmet is a sensible precaution.

Synonyms

• Preventive
• Prophylactic
• Safeguarding
• Protective

Antonyms

• Reactive
• Remedial
• Corrective

Notes

"Precautional" is a less frequent variant of the more common adjective "precautionary." Both words are correct and interchangeable, though "precautionary" is overwhelmingly more prevalent in modern usage.

Adjective

1. taken in advance to protect against possible danger or failure
   • gave precautionary advice
   • I would take precautionary steps to keep him away