Definitions

1. noun

a secondary plan or resource to be used if the primary plan fails or is not available

“The company’s sales team had a fallback strategy in case their initial marketing campaign did not meet expectations.”

2. verb

to use a secondary plan or resource as a substitute for the primary one

“The team had to fallback to their backup generator during the power outage.”

3. noun

a reserve or supply of something that can be used if needed

“The military has a fallback of food and water supplies in case of an emergency.”