Across
- 2. happening because of good luck (adv)
- 3. after some time (adj/adv)
- 4. to become impossible to see (v)
- 7. to start to be seen or to be present
- 9. quite good, bad, etc. in comparison with other similar things or with what you expect (adv)
- 10. providing a lot of useful knoweledge or ideas (adj)
- 12. achieve smth (v)
- 13. a person who tells esp. the police or newspaper reporters about something (n)
- 14. an occasion when someone discovers something (n, pl)
- 15. recently
Down
- 1. to make something become known or liked by many people (v)
- 5. someone who travels to places where no one has ever been in order to find out what is there
- 6. to succeed in doing something good (v)
- 8. to find or show the connection between two or more things (v)
- 11. relating to mathematics