The Time Machine Crossword

12345678910111213141516171819
Across
  1. 3. With the head foremost.
  2. 6. All future generations of people.
  3. 7. The rise and fall of the voice in speaking.
  4. 8. A hard creamy-white substance composing the main part of the tusks of an elephant, walrus, or narwhal, often (especially formerly) used to make ornaments and other articles.
  5. 9. The practice of talking and thinking about oneself excessively because of an undue sense of self-importance.
  6. 12. The quality of being childishly sulky or bad-tempered.
  7. 13. A noticeably rapid, strong, or irregular heartbeat due to agitation, exertion, or illness.
  8. 15. A person's behavior or manners.
  9. 16. An introduction to a book, typically stating its subject, scope, or aims.
  10. 18. Showing a lack of respect for people or things that are generally taken seriously.
  11. 19. (Of water, air, or smoke) move in a circular way.
Down
  1. 1. (Of a building, room, or piece of land) next to or joined with.
  2. 2. In a clever or skillful way.
  3. 4. Expressed clearly; easy to understand.
  4. 5. (Of a person or their manner) unwilling or unable to believe something.
  5. 6. A soluble protein formed in the early stage of protein breakdown during digestion.
  6. 10. An intervening space, especially a very small one.
  7. 11. A state of near-unconsciousness or insensibility.
  8. 14. Having been reduced in force, effect, or value.
  9. 17. A thing belonging or appropriate to a period other than that in which it exists, especially a thing that is conspicuously old-fashioned.