Adjective desperate has 6 senses
  1. despairing, desperate - arising from or marked by despair or loss of hope; "a despairing view of the world situation"; "the last despairing plea of the condemned criminal"; "a desperate cry for help"; "helpless and desperate--as if at the end of his tether"; "her desperate screams"
    Antonym: hopeful (indirect, via hopeless)
  2. desperate, do-or-die - desperately determined; "do-or-die revolutionaries"; "a do-or-die conflict"
    Antonym: irresolute (indirect, via resolute)
  3. desperate - (of persons) dangerously reckless or violent as from urgency or despair; "a desperate criminal"; "taken hostage of desperate men"
    safe (indirect, via dangerous)
  4. desperate, heroic - 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"- G.C.Marshall; "they took heroic measures to save his life"
    Antonyms: cowardly, fearful (indirect, via brave)
  5. desperate - showing extreme urgency or intensity especially because of great need or desire; "felt a desperate urge to confess"; "a desperate need for recognition"
    beseeching (indirect, via imperative)
  6. desperate, dire - fraught with extreme danger; nearly hopeless; "a desperate illness"; "on all fronts the Allies were in a desperate situation due to lack of materiel"- G.C.Marshall; "a dire emergency"
    Antonyms: noncritical, noncrucial (indirect, via critical)
,Noun desperate has 1 sense
  1. desperate - a person who is frightened and in need of help; "they prey on the hopes of the desperate"
    --1 is a kind of
    unfortunate, unfortunate person
    --1 has particulars: goner, toast
    Derived form: verb despair1