1. Not easily solved
   "an apparently insolvable problem"
   - unsoluble, unsolvable, unresolvable

See also: insoluble

Encyclopedia: Insolvable

• albacore
• Alban Berg
• Albania
• Albanian
• Albanian capital
• Albanian monetary unit
• Albany
• Albatrellus
• Albatrellus dispansus
• Albatrellus ovinus
• albatross
• albedo
• Albee
• albeit
• Alben Barkley
• Alben William Barkley
• Albers
• Albers-Schonberg disease
• Albert
• Albert Abraham Michelson
• Albert Bruce Sabin
• Albert Camus
• Albert Edward
• Albert Einstein
• Albert Francis Charles Augustus Emmanuel