Group owners can archive and delete a group. In doing so, the group becomes hidden for all members and only owners can unarchive the group afterwards.
Archiving a Group
Archiving Groups on iOS
Switch over to the Groups tab before starting!
Tap the Menu Icon in the top left corner
Tap Groups
Tap the Group in the Groups List
Tap the '...' Icon in the top right corner
Tap Group Settings
Tap Archive Group
Or you can swipe left on the group for a quicker way to archive groups!
Unarchiving a Group
Tap on the wrench
Tap the slider next to Show Archived Groups
Select the group you’d like to unarchive
Tap Unarchive Group
Tip: You can also swipe on an archived group to unarchive it.
Deleting a Group
Groups can only be deleted by the owner if they are the only owner of the group.
Tap on the wrench
Tap the slider next to Show Archived Groups
Select the group you’d like to delete
Tap Delete Group