insoluble /in-solˈū-bl/

1. Not capable of being dissolved
2. Not capable of being solved or explained

insolubilˈity or insolˈubleness noun

• egested
• egesting
• egestion
• egestions
• egestive
• egests
• egg
• egg-and-anchor
• egg-and-dart
• egg-and-spoon race
• egg-and-tongue
• egg apparatus
• egg-apple
• egg-apples
• eggar
• eggars
• egg beater
• egg beaters
• egg-binding
• egg-bird
• egg-birds
• egg-bound
• egg box
• egg-box
• egg boxes