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
Woods	[wudz]
Kwaku	-	Western African, Akan
Marcela	mahr-THE-lah (Spanish), mahr-SE-lah (Latin American Spanish), mahr-TSE-lah (Polish), mahr-CHE-lah (Romanian), MAHR-tse-lah (Czech)	Spanish, Polish, Romanian, Czech
Sue	SOO	English
Lino	LEE-no (Italian, Spanish), LEE-naw (Galician)	Italian, Spanish, Portuguese, Galician
Antero	AHN-te-ro	Finnish