- SOS as a noun:
- 1
SOS
noun
1 SOS
An internationally recognized distress signal in radio code.
Moby thesaurus: Klaxon, Mayday, air-raid alarm, alarm, alarm bell, alarm clock, alarm signal, alarum, alert, all clear, beacon, blinking light, burglar alarm, buzzer, crostarie, fiery cross, fire alarm, fire bell, fire flag, five-minute gun ... show more.
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