precaution

noun

pre·​cau·​tion pri-ˈkȯ-shən How to pronounce precaution (audio)
Synonyms of precautionnext
1
: care taken in advance : foresight
warned of the need for precaution
2
: a measure taken beforehand to prevent harm or secure good : safeguard
take the necessary precautions
precautionary adjective

Examples of precaution in a Sentence

Be sure to follow the usual safety precautions when cooking outdoors. When driving, she always wears her seatbelt as a precaution. Every home owner should take precautions against fire. She took the precaution of packing extra medicine for the trip.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Police shut down neighboring streets as a precaution, as well as the Erwin Park Community Center. Julia Coin, Charlotte Observer, 20 May 2026 The Placer County Sheriff’s Office also assisted in the operation, along with firefighters and medics who staged nearby as a precaution. Rosalio Ahumada, Sacbee.com, 20 May 2026 The mother and the baby were taken to a local hospital as a precaution, but neither suffered injuries, according to police. Joseph Buczek, CBS News, 20 May 2026 Lazarus said parents should prioritize the proven safety strategies that prevent drowning, such as close supervision, and think of swimsuit color as an extra precaution. Laura Berrios, AJC.com, 19 May 2026 See All Example Sentences for precaution

Word History

Etymology

French précaution, from Late Latin praecaution-, praecautio, from Latin praecavēre to guard against, from prae- + cavēre to be on one's guard — more at hear

First Known Use

1599, in the meaning defined at sense 1

Time Traveler
The first known use of precaution was in 1599

Browse Nearby Words

Cite this Entry

“Precaution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/precaution. Accessed 22 May. 2026.

Kids Definition

precaution

noun
pre·​cau·​tion pri-ˈkȯ-shən How to pronounce precaution (audio)
1
: care taken in advance : foresight
2
: a measure taken beforehand to prevent harm or to bring about a good result
take precautions against fire
precautionary adjective

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