Across 1. To gather something bit by bit 3. To haunt or excessively consume the mind of 9. Associate or co-worker, typically in a professional setting 11. A writing acknowledging the receiving of goods or money 13. Sudden and unexpected 16. The fact or state of being very dedicated and loyal 17. Frustrated with doubt or mental conflict or pain 18. Easily inflamed, excited, or angered 19. To turn aside, discourage, or prevent from acting 20. Something that has a curved shape like an arch

Down 2. An advantage or resource 4. To pass, go by (in relation to time) 5. To spread through; permeate 6. To rise and move in waves or billows : swell 7. To expose to danger or risk: imperil 8. Honored; having prestige 10. To decorate or embellish 12. To come or go back (as to a former condition, period, or subject) 14. Noisy, especially in a rude or offensive manner 15. Lacking in polish and grace