Definition of "rapidness" [rap•id•ness]

• The characteristic of being rapid. (noun)

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• ""What is interesting is the rapidness of the change," he said."
• "Arizona Rep. Raul Grijlva called a Giffords Senate bid a "distinct possibility" on Tuesday citing the rapidness of her recovery."
• "As a journalist specialising in the Middle East, I can't help but reflect on how phenomenal a year 2011 has proved to be so far; we have witnessed a wave of serious changes, unexpected in both size and rapidness, thanks to what is now referred to as the "Arab Spring.""