viable – able to work as intended or able to succeed

(Pronounced vai-uh-buhl)

To remember the definition of the word viable, use the following mnemonic:

When it comes to violence, a bull (viable) is always able to succeed.

Examples of viable in a sentence

They spent everyday studying the prison and its guards in order to formulate a viable escape plan.

Their outdated computer system was no longer viable and was now limiting productivity. 

The plan was viable, but only as long as everyone played their part to perfection.