C1 verb /ɪnˈɡroʊs/
engross
तल्लीन होना
Meaning
to absorb all the attention or interest of someone
Example
She was so engrossed in the book that she forgot the time.
वह किताब में इतनी तल्लीन थी कि उसने समय का ध्यान नहीं रखा।