Related Clues:

• Anything but bored
• Totally attentive
• Not merely paying attention
• Criminal trial concern
• Engaged, in a way
• Absorbed in
• Strongly determined
• Not at all bored
• Undivided, as attention
• Lost in a good book, say
• It may be malicious
• Engaged, and then some
• Soaked up
• Not at all distracted
• Hard thing to prove