Synonyms

in case

Idioms

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]
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 .

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In case anyone detects ambiguity in this clause, Article 6, though almost never cited, states the matter explicitly:

From Slate • Apr. 9, 2026

In case you missed our last live Q&A on Roth IRAs — or you just want to hear the advice again — you can watch it here.

From MarketWatch • Apr. 7, 2026

In case you were in any doubt, just look at the frenzy surrounding the South Koreans' comeback.

From BBC • Mar. 20, 2026

In case no one has noticed, take a look at all the devices hanging from nets or fences at baseball fields.

From Los Angeles Times • Feb. 25, 2026

"We have to brace ourselves for the worst, Mom. In case Eden . . ." Mom's voice is firm.

From "Legend" by Marie Lu

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023