forlorn hope /fər-lörnˈ hōp/

1. Orig, a body of soldiers selected for some service of especial danger
2. A desperate enterprise of last resort
3. A vain or faint hope (from association with hope, in the sense of expectation)

• preambling
• preambulary
• preambulate
• preambulated
• preambulates
• preambulating
• preambulatory
• preamp
• preamplifier
• preamplifiers
• preannounce
• preannounced
• preannounces
• preannouncing
• preappoint
• preappointed
• preappointing
• preappoints
• prearrange
• prearranged
• prearrangement
• prearrangements
• prearranges
• prearranging
• prease