the.com/preoccupied
Physically present, mentally somewhere else entirely, nodding at all the wrong moments.
means So absorbed by a thought or worry that you barely register the world around you.
from From Latin praeoccupare, to seize beforehand — your mind, already taken hostage before the present arrives.
Military rootOriginally meant to occupy a place ahead of an enemy.
Two flavorsDistracted now, or already biased before judging.
Cousin wordShares occupare with occupy and occupation.