in case

1. in case of ; in the event of . If there should happen to be. For example, Here is a number to call in case of an emergency , or In the event of a power failure, we'll have to shift our plans . Similarly, in that case means “if that should happen,” as in You're alone in the store? In that case I'll bring your lunch . The first usage dates from the early 1700s, the second (with event ) from about 1600, and the third from the mid-1800s. Also see in any case ; in no case ; in the case of .

2. Also, just in case . If it should happen that. For example, In case he doesn't show up, we have a backup speaker . The variant also is used without a following clause to mean simply “as a precaution,” as in I took an umbrella just in case . [c. 1400]

Example Sentences

She said some crew members told her not to film them on the closed set, in case, she said, it was discovered they had worked on Rust "and I might never get a job again".

From BBC

Or, they could lurk around the backboard, as president of baseball operations Andrew Friedman likes to say, in case his market develops differently than expected.

From Los Angeles Times

There’s always a lozenge in my bag, just in case.

From Los Angeles Times

The guides include instructions on what to do in case of several scenarios and ask citizens to make sure they can fend for themselves, at least initially, in case of a crisis situation.

From BBC

"I’m scared to go to sleep in case I don’t wake up again."

From BBC