Across
- 2. Hiker's gear bag worn on the shoulders (8)
- 5. Professional who bridges language gaps (10)
- 7. Ten hundred (8)
- 9. Incapable of being seen (9)
- 15. Paid expert, opposed to an amateur (12)
- 16. a criminal killer (8)
- 17. Commuter on a bus, train or boat(9)
- 19. Chuckle, giggle, or crack up (5)
- 21. Permit or give the green light to (5)
- 23. Wailing emergency vehicle warning (5)
Down
- 1. Easily recognised or well-known (8)
- 3. Purring newborn pet (6)
- 4. Feeling of annoyance when blocked from a goal (11)
- 6. Unbending line, or a poker hand of five consecutive cards (8)
- 8. Caribbean island nation famous for cigars and vintage cars (4)
- 10. Unpleasant dream that wakes you up (9)
- 11. Lost, absent, or nowhere to be found (7)
- 12. Highly pleasing to the eye (9)
- 13. Flat and level, opposite of vertical (10)
- 14. Small boat (6)
- 18. Put under heavy pressure or tension (6)
- 20. Vital organ associated with love and valentines
- 22. Good for nothing or serving no purpose (7)