in the event of something
(also in the event that something happens) used to tell people what they should do if something happens

[TahlilGaran] Dictionary of Contemporary English ▲

in the event of
in the event of (something)
if something should happen.
In the event of war, we have to be prepared to send in troops.

Travel insurance protects you in the event that you have to cancel your trip.

Usage notes: sometimes used in the form in the unlikely event - if something should happen that you do not expect to happen:
In the unlikely event of a fire, alarms will sound and you should exit immediately.

Related vocabulary: in case of something

[TahlilGaran] English Idioms Dictionary ▲

in the event of something
in the event of (something)
if something should happen.
In the event of war, we have to be prepared to send in troops.

Travel insurance protects you in the event that you have to cancel your trip.

Usage notes: sometimes used in the form in the unlikely event - if something should happen that you do not expect to happen:
In the unlikely event of a fire, alarms will sound and you should exit immediately.

Related vocabulary: in case of something

[TahlilGaran] English Idioms Dictionary ▲

in the event of
if something happens
In the event of a fire, everybody must immediately leave by the front door.

[TahlilGaran] English Idioms Dictionary ▲

in the event of something
if something happens
In the event of a fire, everybody must immediately leave by the front door.

[TahlilGaran] English Idioms Dictionary ▲

in the event of
See: IN CASE OF.
{prep.} In order to meet the possibility of; lest there is; if there is; if there should be.
Take your umbrellas in case of rain.

The wall was built along the river in case of floods.

[TahlilGaran] English Idioms Dictionary ▲