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.
The free service is similar to Apple's Emergency SOS satellite feature for iPhones, giving customers a way to reach emergency responders even when traditional cell towers are out of sight. Michael Kan, PCMAG, 5 Feb. 2025 The King County Sheriff's Office confirmed to PEOPLE on Tuesday, Jan. 28, that the alert emanated from an iPhone as some media outlets previously reported the SOS alert came from an Apple Watch. David Chiu, People.com, 28 Jan. 2025 Instead, Coco Jones could earn her second trophy here in as many years, or SZA could add one to her collection after her SOS haul last year. Justin Curto, Vulture, 28 Jan. 2025 Plus, the Pixel collects sleep and health metrics (like breathing rate and heart rate variability) and has useful safety features like real-time fall detection and emergency SOS. Jennifer Heimlich, SELF, 28 Jan. 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

Dictionary Entries Near SOS

Cite this Entry

“SOS.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SOS. Accessed 14 Feb. 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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