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.
Not like oil Cristina Burelli, founder of the environmental watchdog SOS Orinoco, said the policy shift risks creating a dangerous mismatch between legal authorization and realities on the ground, where mining operations are largely controlled by armed actors. Antonio María Delgado, Miami Herald, 9 Apr. 2026 For technicians who need to remotely support a large number of machines (including simultaneous support) in a business environment, Splashtop offers an SOS plan (starting at $259 per person per year, billed annually). Chris Hoffman, PC Magazine, 3 Apr. 2026 When no one arrived, the passenger pressed an SOS button and was again told that help was on the way. Angelique Brenes, PEOPLE, 2 Apr. 2026 The ministry further cited various activities and projects already in place that are aimed at raising awareness and supporting journalists, including a working group, an SOS line and an online platform. ABC News, 2 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“SOS.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SOS. Accessed 12 Apr. 2026.

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

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