1.Definition: (of persons) dangerously reckless or violent as from urgency or despair
"A desperate criminal", "Taken hostage of desperate men"
2.Definition: arising from or marked by despair or loss of hope
"A desperate cry for help", "Helpless and desperate--as if at the end of his tether", "Her desperate screams"
3.Definition: desperately determined
4.Definition: fraught with extreme danger; nearly hopeless
"A desperate illness", "On all fronts the Allies were in a desperate situation due to lack of materiel"
5.Definition: showing extreme courage; especially of actions courageously undertaken in desperation as a last resort
"Made a last desperate attempt to reach the climber", "The desperate gallantry of our naval task forces marked the turning point in the Pacific war"
6.Definition: showing extreme urgency or intensity especially because of great need or desire
"Felt a desperate urge to confess", "A desperate need for recognition"