Dictionaries record usage of language, and often give citations for that usage. They don't dictate definitions. If the usage changes, so does the definition.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'