1. Not easily solved
   "public finance...had long presented problems unsolvable or at least unsolved"
   - insolvable, unsoluble, unresolvable

See also: insoluble

• wrong way round
• wrong-foot
• wrong-side-out
• wrong-site surgery
• wrongdoer
• wrongdoing
• wrongful
• wrongful conduct
• wrongful death
• wrongfully
• wrongfulness
• wrongheaded
• wrongheadedly
• wrongly
• wrongness
• wroth
• wrothful
• wrought
• wrought iron
• wrought-up
• wrt
• wry
• wry face
• wryly
• wrymouth