1
: an internationally recognized signal of distress in radio code ‧ ‧ ‧ - - - ‧ ‧ ‧ used especially by ships calling for help
2
: a call or request for help or rescue

Examples of SOS in a Sentence

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.
Tech support: How to use iPhone emergency SOS satellite messaging to reach 911 Latest Trump tariff move good news for iPhone shoppers This tariff development is good news for consumers, Ives said. Mike Snider, USA Today, 12 Apr. 2025 If the Marconi telecommunications frazzled, the Carpathia would never have heard the Titanic’s SOS call. Sean Kingsley, HollywoodReporter, 11 Apr. 2025 On this episode of Dinner SOS, Chris and Kate help Janae tackle the art of the matzo ball. Bon Appétit, Bon Appetit Magazine, 10 Apr. 2025 On this episode of Dinner SOS, the BA Bake Club is back with a brand-new cake recipe. Bon Appétit, Bon Appetit Magazine, 2 Apr. 2025 See All Example Sentences for SOS

Word History

First Known Use

1910, in the meaning defined at sense 1

Time Traveler
The first known use of SOS was in 1910

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Cite this Entry

“SOS.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SOS. Accessed 25 Apr. 2025.

Kids Definition

SOS

noun
ˌes-(ˌ)ō-ˈes How to pronounce SOS (audio)
ˌes-ə-ˈwes
1
: an international radio code distress signal used by ships and aircraft calling for help
2
: a call for help

Medical Definition

SOS

abbreviation
if occasion require; if necessary
used in writing prescriptions
Etymology

Latin si opus sit

More from Merriam-Webster on SOS

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