Facebook acquaintances are those type of friends on Facebook whom we can add in the special list other than normal friends list. The Best part about adding a FB friend in the acquaintance list is, he/she couldn’t notified whenever you release something

Click Acquaintances. Below List Suggestions, you'll see a list of friends you haven't interacted with much on Facebook recently. Click Add next to the friends you want to add to your Acquaintances list. You can click See More Suggestions to see mo

The Acquaintances list is for friends you don’t need to stay in close touch with on Facebook. We're working to update facebook.com and the Help Center. If you don't see instructions for the version you're using, learn how to switch versions