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.
In its Facebook post, the CHP urged drivers to take precautions during foggy weather by slowing down and remaining alert. Charlotte Phillipp, PEOPLE, 1 Feb. 2026 The child, who had been choking on mucus, was taken to Jacobi Hospital as a precaution and is doing well, police said. Stephen Sorace, FOXNews.com, 1 Feb. 2026 While black bears are currently in hibernation, there are numerous precautions Connecticut residents can take when the bears emerge this spring. Sasha Allen, Hartford Courant, 31 Jan. 2026 The tourism industry – including all seven Orlando theme parks – all but completely shuts down as a COVID pandemic precaution. Dewayne Bevil, The Orlando Sentinel, 31 Jan. 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 4 Feb. 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

More from Merriam-Webster on precaution

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