Prefixes

12345678910
Across
  1. 3. to behave wrongly
  2. 5. not solved
  3. 6. a hero above all heroes
  4. 8. polygon with three angles
  5. 9. not proper
  6. 10. to act because something happens
Down
  1. 1. not interested
  2. 2. school before primary school
  3. 4. cause something to be under water
  4. 7. not to like