without prompting; spontaneous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use unprompted in a sentence
Whether or not he actually did confess unprompted remains in doubt.Racism or Exit Strategy for Atlanta Hawks Owner Bruce Levenson? | Robert Silverman | September 7, 2014 | THE DAILY BEAST
King also made an unprompted defense of those statements saying Iowans were "universal in their support" for him.
Later, Rep. Louie Gohmert, a fellow Texas Republican, jumped, unprompted, to Paul's defense.
When was the last time you heard him speak unprompted about abortion or gay rights or gun control?
Certainly her excellent father would have been the last unprompted and of his own motion, to develop any such suspicion.Where the Pavement Ends | John Russell
Its very address is so far above that of man, that no mortal, unprompted, could ever have risen to it.
As Lady Ashburton was one of her dearest friends, this condition was probably not unprompted.The Life of Florence Nightingale vol. 1 of 2 | Edward Tyas Cook
"It's a cinch I can't use it Out There," he chuckled ruefully and unprompted.The Planet Strappers | Raymond Zinke Gallun
unprompted by any voice of authority, unconstrained by any command of power, we join in the wide-ranging demonstration.Luther and the Reformation: | Joseph A. Seiss