lost in thought

1. Concentrating on or pondering over something. For example, Gwen didn't hear a word you said; she was lost in thought.

Example Sentences

Some whisper, some sleep, some stare at the ceiling, lost in thought.

From Los Angeles Times

Men rowing boats on the river, reading books or newspapers, playing the piano, working at a desk or merely sitting in a comfortable chair lost in thought.

From Los Angeles Times

He’s lost in thought, seemingly unaware of the world around him, and he goes back to the painting.

From Los Angeles Times

She climbed up the stairs to the top of the tower and found him lost in thought as he looked out the window, an untouched cup of tea sitting on the table next to him.

From Literature

They are all lost in thought and rarely converse with each other.

From Seattle Times

Related Words

• analytical 
• attentive 
• cerebral 
• earnest 
• melancholy 
• pensive 
• rational 
• reasonable 
• reflective 
• serious 
• sober 
• studious 
• wise