1. completely absorbed in or focused on something

Examples

• She was so engrossed in her book that she didn’t hear the doorbell.
• The students became engrossed in the science experiment.
• He sat engrossed in thought, staring out the window.
• The children were completely engrossed in the puppet show.
• I was too engrossed in my work to notice the time.
• She became engrossed in painting and forgot about dinner.