Meaning & use
mayday mayday
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Meanings
interjectionfixed phrase
A radio distress call, repeated, used by ships and aircraft to signal immediate and serious danger to life.
Grammar: Said on its own at the start of a radio message: 'Mayday mayday, mayday mayday, this is...'
Patterns
- mayday mayday, this is ...
- send out a mayday mayday call
The pilot's voice came over the radio: 'Mayday mayday, we are losing altitude.'
The fishing boat sent a mayday mayday after the engine room flooded.
Mayday mayday — the vessel is taking on water and we need immediate assistance.
phrasefixed phrasehumorousinformal
Used playfully or dramatically in ordinary talk to say a situation is going badly and help is needed.
Grammar: Said as a joke or exaggeration, not on a real radio: 'Mayday mayday, the cake is burning!'
Patterns
- mayday mayday, someone/something is doing something
Mayday mayday — the printer has jammed again and the report is due in ten minutes.
She ran into the kitchen shouting, 'Mayday mayday, the sauce is boiling over!'
Common combinations
- send a mayday mayday
- The crew sent a mayday mayday as the storm grew worse.
- hear a mayday mayday
- The coastguard heard a mayday mayday at dawn.
- answer a mayday mayday
- Another ship answered the mayday mayday within minutes.
- mayday mayday call
- The pilot made a mayday mayday call before landing in the field.
- a real mayday mayday
- This is not a drill — it is a real mayday mayday.
Synonyms and how they differ
- SOS
- SOS is a written or signaled distress call; mayday is spoken over the radio.
- distress call
- Distress call is the general term; mayday is the specific spoken word used at sea and in the air.
Word family
- mayday interjection
- The single form of the same distress call.
Commonly confused: mayday mayday or May Day?
mayday mayday vs May Day
May Day (two words, capital D) is the first of May, a spring festival. Mayday (one word) is the emergency call — the spelling and the meaning are different.
Practice
When should you say 'mayday mayday' on a radio?
Choose one answer.
Mayday mayday signals a real emergency that threatens life, such as a sinking ship or a failing aircraft. It is not used for tests, chat, or greetings — those would be false alarms.
Make it your own
Write a sentence using “mayday mayday”, then check it and compare it with the examples above.