deeply involved

Translations
глубоко вовлечённый
He is deeply involved in the project.
Он глубоко вовлечённый в проект.
Definitions
Being significantly engaged or committed to a particular activity, situation, or relationship, often to the extent that it requires considerable time, effort, or emotional investment.
Words
involved

adjective
вовлечённый
deeply

adverb
глубоко