first aid

noun

: emergency care or treatment given to an ill or injured person before regular medical aid can be obtained

Examples of first aid in a Sentence

She gave him first aid for his sprained ankle.
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.
But the government holds its own annual drills, known as Han Kuang, which include urban defense scenarios, such as how to take cover during an air raid, administer first aid and respond to disaster at public sites, like major supermarket chains or the Taipei metro. Michelle Kuo, The Dial, 14 Apr. 2026 Police responding to a report of shots fired found Williams, who had been shot multiple times in the left side of his body and was receiving first aid from an off-duty medical professional. Evy Lewis, Chicago Tribune, 14 Apr. 2026 Police provided first aid until crews from the DeKalb County Fire Department and DeKalb AMR arrived and took over life-saving efforts. CBS News, 13 Apr. 2026 As helpful as the laxatives may be during the Artemis II mission, Bunger hopes their inclusion in the first aid kit has wider ramifications for everyone, not only astronauts. Andrew Paul, Popular Science, 9 Apr. 2026 See All Example Sentences for first aid

Word History

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of first aid was in 1867

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Cite this Entry

“First aid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20aid. Accessed 21 Apr. 2026.

Kids Definition

first aid

noun
: emergency treatment given to an ill or injured person

Medical Definition

first aid

noun
: emergency care or treatment given to an ill or injured person before regular medical aid can be obtained

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