1. in a way that cannot be dissolved or solved

Examples

• The two chemicals were insolubly bound together.
• Their fates became insolubly linked after the accident.
• The mystery remained insolubly complex despite years of investigation.
• The salt crystals were insolubly embedded in the rock formation.
• Their disagreement seemed insolubly deep and fundamental.
• The polymer chains were insolubly cross-linked during the heating process.