desperate

fraught with extreme danger; nearly hopeless

“a desperate illness”

arising from or marked by despair or loss of hope

“a desperate cry for help”

desperately determined

showing extreme courage; especially of actions courageously undertaken in desperation as a last resort

“made a last desperate attempt to reach the climber”

a person who is frightened and in need of help

“they prey on the hopes of the desperate”

dangerously reckless or violent as from urgency or despair

“a desperate criminal”

showing extreme urgency or intensity especially because of great need or desire

“felt a desperate urge to confess”