just in case

1. 1.

   if there happens to be need

   “in case of trouble call 911”

   “I have money, just in case”

   Synonymsin case

Questions about just in case

What does just in case mean?

just in case means "if there happens to be need".

What is another word for just in case?

Close synonyms include in case. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is just in case a common word?

just in case is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.