Definition from Wiktionary, the free dictionary
chainwide (not comparable)
- Occurring or extending throughout a chain, such as a chain of stores
2007 September 17, Kim Severson, “New Menus, New Mission for Breakfast”, New York Times:
- The initiative, which is in 25 Westin hotels and will become chainwide next year, encourages travelers trying to beat insomnia to drink smoothies made from bananas and soy milk.