Related Clues:

• Not just listening
• Deeply engrossed
• Hardly daydreaming
• Going ___ (bickering)
• Like one defusing a bomb
• Words after keep or go
• Totally consumed
• Fully attentive
• Deeply involved
• Has one's nose to the grindstone, e.g.
• Hard at work
• Scuffling
• Listening to every word
• Take a crack __
• Really absorbed