Use the adjective engrossed to describe someone who is completely absorbed in something, whether it's a task, a person, or an object. You might be engrossed in a movie that's so good you just can't look away, or you can be engrossed in talking to someone — like the girl from math class.

What does it mean to be engrossed in something?

: to take the attention of completely He was engrossed in a book. engross. transitive verb.

Is engrossed a negative word?

I would say that, in general, "engrossing" has a slightly positive shade - "the film was engrossing" - whereas "consuming", usually preceded by the word "time", imparts a slightly negative quality, "that was very time consuming, I could have been doing something else instead". "Absorbing" is also generally positive.