Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “SOS”

See all translations

SOS

noun [S] uk   /ˌes.əʊˈes/ us    /-oʊˈ-/
a request for help, especially because of danger: Within an hour of the ship transmitting an SOS (message/call), six boats had arrived and started a rescue operation. The hospital sent out an SOS for extra blood supplies.
Translations of “SOS”
in Spanish SOS, llamada de socorro…
in French S.O.S…
in German das SOS…
in Chinese (Traditional) 求助, (尤指)緊急求救(信號)…
in Chinese (Simplified) 求助, (尤指)紧急呼救(信号)…
(Definition of SOS from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of SOS?
Add Cambridge dictionaries to your browser to your website

Definitions of “SOS” in other dictionaries

Word of the Day

bad/hard/tough luck

said to express sympathy with someone when something bad has happened to them

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More