- any of several alert statuses for U.S. military forces, ranked numerically from normal, 5, to maximum readiness, 1.
Origin of DEFCON
def(ense readiness) con(dition)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for defcon
“This was not a worst-case scenario: nobody will be getting arrested from this,” Defcon said.
“In retrospect this was incredibly foolish, and I take full responsibility for this decision,” Defcon said.