in the event of something

in the event of (something)

In case of (something); if (something) happens. In the event of a fire, please use the stairs. In the event of severe weather, please take shelter.See also: event, of

in the event of something

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in the event that something happens

if something happens: The money will be paid to your family in the event of your death. ♢ In the event of an emergency please call the following number...See also: event, of, something