- The definition of dead on is an expression that is exactly, 100 percent correct or on target.
- An example of dead on is when you throw a dart right into the bulls-eye.
- An example of dead on is when you correctly predict who will win the World Series and by how much.
This dart has hit the target dead on.
dead-on definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Informal completely accurate; exact; on target: a dead-on impersonation of the president
dead-on definition by American Heritage Dictionary
Precisely accurate and to the point: “She avoids big scenes . . . preferring to rely on small gestures and dead-on dialogue” (Peter S. Prescott).