1. Still red, say → RARE
2. Not much → ABIT
3. Jupiter and Mars → PAGANGODS
4. "In a way" → ISH
5. Pick up on → DETECT
6. Loosens up → SOFTENS
7. Response to "Speak!" → ARF
8. Cold-weather cryptid → YETI
9. Neighborhood in Warren Zevon's "Werewolves of London" → SOHO
10. Knock back a few → IMBIBE
11. Big bully → MEANIE
12. Aquarium diagnostic → PHTEST
17. World capital near the 60th parallel → OSLO
18. Enlighten → EDIFY
23. "Sorry, that's incorrect" → UHNO
24. Restaurant chain acronym → IHOP
26. Word with still or shelf → LIFE
27. "New Jack City" co-star, 1991 → ICET
28. Spanish name found in "business" → INES
29. Fastener with an onomatopoeic name → SNAP
33. Bring up → REAR
34. Pot grower? → ANTE
36. What contains a lot of darn stuff? → SEWINGKIT
37. The "Amigos" of film, e.g. → TRIO
38. Big name in magic → PENN
41. Beer brand on "The Simpsons" → DUFF
43. Feminist sex educator Shere ___ → HITE
44. Pompous people → SNOBS
45. Non-pharmacological component of a clinical trial → PLACEBO
47. Pristine, as land → UNTROD
48. Veterans Day event → PARADE
49. Lake that's the "thumb" of New York's Finger Lakes → ONEIDA
50. Certain Ivy Leaguers → ELIS
51. Rags, e.g. → CLOTHS
55. What a bargain hunter hopes to pay → LESS
56. Ides of March rebuke → ETTU
59. Depend (on) → RELY
60. Old map inits. → USSR
62. Sound of a good car engine → HUM
63. Designation for the Toledo Mud Hens → AAA