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Use "unprompted" in a sentence
"Regan's use of the key word - "unprompted" - presented such a marked contrast with the referee's original explanation that the chief executive was pressed on whether or not the first account could be regarded as wilfully untruthful."
"He is still saying the L word unprompted by yours truly - which has to be a good sign."
"But the speakers addressed the topic of Iraq extensively and unprompted, which is significant progress for this event compared to some past years."