preoccupied

/pɹiˈɑkjəˌpaɪd/

absorbed in thought; engrossed

preoccupied in a sentence

“He was too preoccupied to notice her arrival.”

Latin praeoccupare seize beforehand (prae- before + occupare to seize)

Related Words

abstracted

showing a lack of attention because the mind is elsewhere

absorbed

having one's attention fully engaged

entranced

filled with wonder and delight

cognizant

having knowledge or being aware of

sentient

able to perceive or feel things

conscious

aware of and responding to one's surroundings