1. Desperately determined
   "do-or-die revolutionaries"; "a do-or-die conflict"
   - desperate

See also: resolute

• Fucus serratus
• Fucus vesiculosus
• fud
• fuddle
• fuddled
• fuddy-duddy
• fudge
• fudge factor
• fudge sauce
• fudge together
• Fuego
• fuel
• fuel cell
• fuel consumption rate
• fuel filter
• fuel gauge
• fuel indicator
• fuel injection
• fuel injection system
• fuel level
• fuel line
• fuel oil
• fuel pod
• fuel system
• fuel-air bomb