1: ...or stuffed with the alternative (5)
2: One young lady who is out of order (5)
3: What this puzzle is (3)
4: Priestess betrays Sen. Kefauver (5)
5: Awful din; ill effects were her own doing (4-9)
6: Attacking garland, certain it was not tied down (2,7)
7: Check out tailless fish swallowing speck of dust with hand-held device (6,7)
9: Speak aloud about tic in fruit (7)
12: Decrees: 'Limp roses? Off with their heads!' (7)
13: How the obese appear to hunt? (4,5)
17: He is leaning to the left-- immobilize with knock out (5)
18: Depart from low overhang (5)
19: Ocean region's pure refreshing air (5)
21: Polygraph unexpectedly traps vandal (3)