warning

“a warning that still more bombs could explode”

Examples:: Emergency Alert System
a federal warning system that is activated by FEMA; enables the President to take over the United States airwaves to warn the whole country of major catastrophic events

Types:: show 12 types...; hide 12 types...; wake-up call
a warning to take action concerning something that was overlooked or neglected; alarmism
needless warnings; alert, alerting
a warning serves to make you more alert to danger; caution, caveat
a warning against certain acts; false alarm
a warning that is given about something that fails to occur; forewarning, premonition
an early warning about a future event; heads-up
a warning message; strategic warning
(military) a warning prior to the start of a threatening act; tactical warning
(military) a warning after the initiation of a hostile act; threat
a warning that something unpleasant is imminent; warning of attack
a warning to national policy makers that an enemy intends to launch an attack in the near future; warning of war
a warning to national policy makers that an enemy intends war or is preparing for war and is on a course that increases the risk of war

“the warning was to beware of surprises”

Types:: deterrent example, example, lesson, object lesson
punishment intended as a warning to others

“they gave little warning of their arrival”

“she had only had four days' warning before leaving Berlin”

DEFINITIONS OF: warning