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.
On the all-genre Billboard 200, SOS ranks at No. 2, after having ruled the chart for 12 nonconsecutive weeks since its No. 1 arrival in 2022. Trevor Anderson, Billboard, 4 June 2025 One thing to consider is that iPhone 14 phone models and those after can use the emergency SOS feature with only satellite and not cellular data or WiFi coverage. Ashley Fredde, Idaho Statesman, 4 June 2025 Rounding out the key specs is a 1,000-lumen camping light sporting 585 LEDs, with various modes including SOS available and a nifty red/blue emergency warning feature. Paul Ridden may 30, New Atlas, 30 May 2025 The newest iterations of smartphones are beginning to include emergency SOS capability via satellite, but batteries die. Amanda Loudin, New York Times, 30 May 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 10 Jun. 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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