IMPOSSIBLE CROSSWORD PUZZLE >:(

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Across
  1. 1. Shout loudly and insistently.
  2. 6. with earnest and eager attention.
  3. 10. Not easily convinced.
  4. 11. Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.
  5. 12. Avoiding work, lazy.
  6. 14. Make (something) suitable for a new use or purpose; modify.
  7. 15. The state or feeling of being calm and in control of oneself.
Down
  1. 2. Working by itself with little or no direct human control.
  2. 3. In a way that suggests that something bad is going to happen.
  3. 4. A substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
  4. 5. Causing or showing a fondness for causing trouble in a playful way.
  5. 7. A small piece of burning or glowing coal or wood in a dying fire.
  6. 8. An effort to cut off supply, war materials, or communications from a particular area by force.
  7. 9. Shock or greatly surprised.
  8. 13. Not able to think or speak clearly usually because of a high fever or other illness.