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)

• sergeant-drummer
• sergeant-drummers
• sergeant first class
• sergeant fish
• sergeant fishes
• sergeant-major
• sergeant-majors
• sergeants
• sergeants-at-arms
• sergeants first class
• sergeantship
• sergeantships
• serges
• Sergt
• serial
• serial access memory
• serialisation
• serialisations
• serialise
• serialised
• serialises
• serialising
• serialism
• serialisms
• serialist