Across
- 4. not secure
- 5. indicate by signs
- 6. something is required.
- 8. represent falsely
- 9. clam
- 10. circumstances and good luck.
- 11. relatively high resistance to flow
- 14. brilliantly clever.
- 15. marketed by up-to-dateness
- 16. not essential
- 17. they're teaching or instructing.
- 18. reject with contempt.
- 19. wrongfully seizing.
Down
- 1. leave or give.
- 2. maintain or assert
- 3. the ups and downs of a language.
- 7. when something is unstable.
- 12. marked by strong resentment
- 13. an insufficient quantity or number.
- 16. acutely insightful and wise.