absorbed
adj.adj. so interested in something that you do not notice anything else around you. You are completely focused on what you are doing.
adj. deeply engaged or involved in an activity, often to the exclusion of external stimuli. Frequently follows a linking verb or functions as a participial modifier.
She was so absorbed in her book that she missed her stop.
The children were completely absorbed in their drawing and didn't hear their mother call them for dinner.
The researcher remained so deeply absorbed in the data analysis that the passage of several hours went entirely unnoticed until the office lights automatically dimmed.
From absorb + -ed.
Typically takes the preposition 'in' followed by a noun or gerund.
He was absorbed with the movieHe was absorbed in the movieThe adjective 'absorbed' almost always collocations with 'in' rather than 'with' or 'at'.