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)

• siphonage
• siphonages
• siphonal
• Siphonaptera
• siphonapteran
• siphonate
• siphoned
• siphonet
• siphonets
• siphonic
• siphoning
• siphonogam
• siphonogamies
• siphonogams
• siphonogamy
• siphonophore
• siphonophores
• siphonostele
• siphonosteles
• siphons
• siphuncle
• siphuncles
• siping
• Siporex
• SIPP