Words similar to unprompted

Example sentences for: unprompted

How can you use “unprompted” in a sentence? Here are some example sentences to help you improve your vocabulary:

He does reverse spin: Unprompted, he tells me that his big announcement speech the previous day in South Carolina was something of a failure, describing himself as tired and his audience as merely "polite."
According to one of the librarians, in 1999 Shehhi, unprompted, inveighed against America, and boasted that "something was going to happen" and that "there would be thousands of dead people."