lost in thought

not aware of what is happening around you because you are thinking about something else I didn't answer right away because I was lost in thought.

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

Name	Pronounced	Usage
Rosalia	ro-zah-LEE-ah (Italian)	Italian, Spanish, Portuguese, Late Roman
Arlotto	-	Medieval Italian
Agner	-	Danish
Senja	SEN-yah	Finnish
Adannaya	-	Western African, Igbo
Ihintza	-	Basque