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

See also: insoluble

Encyclopedia: Insolvable

• musculus abductor hallucis
• musculus abductor pollicis
• musculus adductor brevis
• musculus adductor hallucis
• musculus adductor longus
• musculus adductor magnus
• musculus anconeus
• musculus articularis cubiti
• musculus articularis genus
• musculus biceps brachii
• musculus biceps femoris
• musculus buccinator
• musculus deltoideus
• musculus intercostalis
• musculus obliquus externus abdominis
• musculus pectoralis
• musculus pectoralis major
• musculus pectoralis minor
• musculus quadriceps femoris
• musculus rhomboideus major
• musculus rhomboideus minor
• musculus sartorius
• musculus scalenus
• musculus serratus anterior
• musculus serratus posterior