lost in thought and unaware of one's surroundings or actions: PREOCCUPIED. tending to forget or fail to notice things: given to absence of mind (see ABSENCE sense 3). indicative of or resulting from preoccupation or absence of mind.
lost in thought and unaware of one's surroundings or actions: PREOCCUPIED. tending to forget or fail to notice things: given to absence of mind (see ABSENCE sense 3). indicative of or resulting from preoccupation or absence of mind.