irresoluble /ir-ezˈə-lū-bl or -lŭ-bl/

1. That cannot be resolved into parts
2. That cannot be solved
3. That cannot be got rid of (archaic)

• brushier
• brushiest
• brushing
• brush kangaroo
• brush kangaroos
• brush-off
• brush-offs
• brush quandong
• brush turkey
• brush turkeys
• brush under the carpet
• brush up
• brush-up
• brushwheel
• brushwheels
• brushwood
• brushwoods
• stewartry
• stew-can
• stew-cans
• stewed
• stewer
• stewers
• stewier
• stewiest