1. Not easily solved
   - insolvable, unsolvable, unresolvable

See also: insoluble

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• legal action
• legal age
• legal assistant
• legal beagle
• legal blindness
• legal brief
• legal code
• legal community
• legal document
• legal duty
• legal eagle
• legal expert
• legal fee
• legal fraud
• legal guardian
• legal holiday
• legal injury
• legal instrument
• legal jointure
• legal opinion
• legal ouster
• legal philosophy
• legal power
• legal principle