Related Clues:

• Vociferate
• Rend the air
• Like sentries
• Not just tear up
• React to an onion
• Clamorous partner of 13-Across
• Like an excellent guard dog
• Megahit by Johnnie Ray
• On top of things
• Not drowsy
• Word with red or on
• Observant
• ''Eureka!'' for one
• Get all misty
• ''All for one and one for all,'' e.g.