1. Giant in audio equipment
2. Big tablet
3. Multifaceted things
4. Econ. class topic
5. More apt to cause clogs
6. Georgia's __ Scott College
7. Marines NCO
8. People with reservations in Florida
9. Declares to be true
10. Dismissive snicker
11. Slaughter of the MLB
12. "High Voltage" rock band
13. Lydic of "The Daily Show"
15. Physics Nobelist the year after Albert
16. They can't be beaten
21. Lacking vigour
23. Little web masters
24. Like the sticks
25. Solitarily
26. Workflow pausing spot
27. Devout
28. Feeble
29. Prefix for Rome's country
30. Bagel order, maybe
32. Yellow Pages, e.g.
34. Croat's neighbor
37. Starfleet school
38. Major force in Hollywood
40. Turmoil
42. Easily snapping
43. Gotham service org.
44. Dancing girl in "Return of the Jedi"
45. Janus-faced
47. Word repeated in "__ ou ne pas __"
48. Regrets
49. Labor adversary: abbr.
50. "__ a Rainbow" (Stones hit)
52. "Comin' Thro' the __"
53. Wordsworth wrote one about a cuckoo