English

precautionary

gb/pɹɪkˈɔʃənɛɹi/ us/pɹɪkˈɔʃənɛɹi/
C1 English
Senses
0 senses
adjective C1 property
1

intended to prevent possible harm

done before something bad happens in order to stop it or make it less likely

Usage pattern: precautionary [measure/action/step/test/evacuation]
Common mistake:
Do not confuse “precautionary” with “cautious.” A cautious person is careful; a precautionary action is done to prevent possible harm.
Synonyms
preventive (more directly focused on stopping something from happening) | protective (emphasizes protection from harm rather than advance planning) | safety (often used before a noun to mean related to keeping people safe)
Antonyms
careless (showing a lack of attention to possible danger) | reactive (done after a problem occurs rather than in advance)
Collocations
precautionary measure |precautionary action |precautionary step |precautionary approach |precautionary test |precautionary treatment |precautionary evacuation |precautionary recall |precautionary warning |precautionary suspension
Themes
safety |risk |health |planning
Examples
  • The school closed for the day as a precautionary response to the storm warning.
  • Doctors ordered precautionary tests after she complained of chest pain.
  • The company issued a precautionary recall of the product after discovering a possible defect.
Learner examples
  • The flight was delayed for precautionary safety checks.
  • We took precautionary steps before the hurricane arrived.
Grammar
Dictionary form
precautionary
IPA
GB/pɹɪkˈɔʃənɛɹi/
US/pɹɪkˈɔʃənɛɹi/
Syllables & stress
pre - cau - tion - ary (4 syllables)
Stress on 2nd syllable (cau)
Word forms
Adjective
  • Base: precautionary
Expressions

as a precautionary measure

1
/ˈæz ə pɹɪkˈɔʃənɛɹi mˈɛʒɚ/
fixed phrase

to reduce possible risk

done just in case something bad might happen

Examples
  • As a precautionary measure, residents were asked to boil their drinking water.
  • The building was evacuated as a precautionary measure after the gas leak was reported.
  • She was kept in hospital overnight as a precautionary measure.

precautionary principle

1
/pɹɪkˈɔʃənɛɹi pɹˈɪnsəpəl/
fixed phrase formal

act despite uncertain risk

a rule saying that you should act to prevent serious possible harm even if you are not completely sure it will happen

Examples
  • Regulators invoked the precautionary principle when they restricted the use of the chemical.
  • Supporters argue that the precautionary principle is essential when environmental damage may be irreversible.
  • The court considered whether the agency had properly applied the precautionary principle.

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