Available Definitions:
1) a. - Without hope; given to despair; hopeless.
2) a. - Beyond hope; causing despair; extremely perilous; irretrievable; past cure, or, at least, extremely dangerous; as, a desperate disease; desperate fortune.
3) a. - Proceeding from, or suggested by, despair; without regard to danger or safety; reckless; furious; as, a desperate effort.
4) a. - Extreme, in a bad sense; outrageous; -- used to mark the extreme predominance of a bad quality.
5) n. - One desperate or hopeless.