1. Plunge steeply downward
2. Move or fall downward
3. Make smaller or less in amount
4. Make or become smaller or fewer
5. Make a gas or vapor change into a liquid
6. Gradual decrease in value or quantity
7. Go down below the surface or towards the bottom
8. Lose strength or momentum
9. Become less tight, firm, or tense
10. Move abruptly forward or downward
11. Descend or cause to descend abruptly
12. Return to a former or less developed state
13. Withdraw or move backward
14. Make or become less in size or amount
15. Move back or further away from a previous position
16. Become or make smaller in size or amount
17. Become less intense, violent, or severe
18. Fall suddenly, clumsily, or uncontrollably
19. Make or become weaker
20. Become less intense or widespread
21. Make or become less bright or distinct
22. Make or become less
23. Gradually decline in strength or intensity