1. lost in thought - Adjective
2. lost in thought - Phrase
lost in thought (comparative more lost in thought, superlative most lost in thought)
Being preoccupied with one's thoughts rather than paying attention to reality.
The human condition: lost in thought. Eckhart Tolle
I just got lost in thought. It was unfamiliar territory. Steven Wright
The only reason some people get lost in thought is because it's unfamiliar territory. Paul Fix
It's easy to get lost in thought if it's not familiar territory to you. Traditional Proverb
The morning was overcast, and Maya was on her way to school, lost in thought. Source: Internet
Here then was I (call me Mary Beton, Mary Seton, Mary Carmichael or by any name you please-it is not a matter of any importance) sitting on the banks of a river a week or two ago in fine October weather, lost in thought. Source: Internet