Across
- 3. to persuade sb to do sth
- 6. imperfection
- 7. land consisting of marshes or swamps
- 9. informal, everyday
- 10. to stop talking
- 11. to relax
- 12. thickness
- 13. destructive
- 15. a wild animal's home
Down
- 1. a thing that blocks one's way or prevents or hinders progress
- 2. to quickly imrpove your knowledge of sth you have already learnt but forgotten
- 4. to explore, to research
- 5. the ability to see, hear, or become aware of something through the senses
- 6. to change, to make sth false
- 8. make it difficult for someone to do sth
- 14. knowledgeable