wholly absorbed as in thought; "deep in thought"; "that engrossed look or rapt delight"; "the book had her totally engrossed"; "enwrapped in dreams"; "so intent on this fantastic
If you are absorbed in something or someone, you are very interested in them and they take up all your attention and energy. They were completely absorbed in each other = engrossed
taken in through the pores of a surface; "the absorbed water expanded the sponge" wholly absorbed as in thought; "deep in thought"; "that engrossed look or rapt delight"; "the book had her totally engrossed"; "enwrapped in dreams"; "so intent on this fantastic
narrative that she hardly stirred"- Walter de la Mare; "rapt with wonder"; "wrapped in thought" retained without reflection; "the absorbed light intensity