Related Clues:

• Storm posting, e.g.
• Warning notice
• Like a sentry
• Really paying attention
• Extremely attentive
• Immersed
• Anything but bored
• Totally attentive
• Bushy-tailed?
• Red __
• Not merely paying attention
• Word often preceded by a color
• Forewarn
• Blow the horn at
• Bring to the attention of