preoccupied

About 3.74 uses per million words.

Meaning

1. adjective Concerned with something else; distracted; giving one's attention elsewhere. .mw-parser-output .defdate{font-size:smaller}

   I was preoccupied with a deadline at work, and I forgot his birthday.

2. adjective Already occupied.
3. adjective Prepossessed; biased.
4. adjective Describing a taxonomic name not available for use because it is already used for another.
5. verb simple past and past participle of preoccupy

Similar words

lost bemused concerned obsessed thoughtful haunted deep in thought taken up distracted disrupted

Often followed by

with by and the to in as him that