caution

1 of 2

noun

cau·​tion ˈkȯ-shən How to pronounce caution (audio)
1
: warning, admonishment
Her comments were intended as a caution to us to protect our property.
2
: precaution
a surgeon taking the caution of sterilizing his instruments
3
: prudent forethought to minimize risk
Use caution when operating a chain saw.
4
: one that astonishes or commands attention
some shoes you see … these days are a cautionEsquire
cautionary adjective

caution

2 of 2

verb

cautioned; cautioning ˈkȯ-sh(ə-)niŋ How to pronounce caution (audio)

transitive verb

: to advise caution to : warn
She cautioned him not to act rashly.

Examples of caution in a Sentence

Noun You should use caution when operating the electric saw. He injected a note of caution in his talk. Her financial adviser urged caution before investing in the project. The roads are slippery: drive with extreme caution. Her comments were intended as a caution to us to protect our property. A note of caution: be sure that the electricity is off before you install the ceiling fan. She was given a caution by the magistrate. Verb Officials are cautioning that the war may continue for years. “Don't decide too quickly,” she cautioned. He was cautioned for speeding.
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.
Noun
Ben Rhodes, the two-time series champion, crashed into the wall on Lap 3 with heavy contact as his back bumper got into the tire barrier, bringing out the first caution — and only natural one until the final laps of regulation — of the race. Shane Connuck october 3, Charlotte Observer, 3 Oct. 2025 The band’s distinctive sax adds a melancholic yet dramatic touch that, combined with the lyrics, invites us not to fall in love again without caution, avoiding hurt. Tere Aguilera, Billboard, 3 Oct. 2025
Verb
Starks cautioned the figures in the report do not necessarily indicate that number of students ultimately attended the corresponding school. Arkansas Online, 2 Oct. 2025 Many experts, including a former agriculture minister, have repeatedly cautioned that Iran must keep water use below 40% of renewable supplies, leaving enough for rivers to flow, wetlands to breathe, and aquifers to naturally recharge. Nik Kowsar, Time, 2 Oct. 2025 See All Example Sentences for caution

Word History

Etymology

Noun

Latin caution-, cautio precaution, from cavēre to be on one's guard — more at hear

First Known Use

Noun

1566, in the meaning defined at sense 1

Verb

1683, in the meaning defined above

Time Traveler
The first known use of caution was in 1566

Browse Nearby Words

Cite this Entry

“Caution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caution. Accessed 4 Oct. 2025.

Kids Definition

caution

1 of 2 noun
cau·​tion ˈkȯ-shən How to pronounce caution (audio)
1
2
: carefulness in regard to danger
3
: someone or something that astonishes or catches one's attention

caution

2 of 2 verb
cautioned; cautioning ˈkȯ-sh(ə-)niŋ How to pronounce caution (audio)
: to advise caution to : warn

More from Merriam-Webster on caution

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