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
Gertrudis	-	Spanish
Lorna	LAWR-nə	English
Zalmon	ZAL-mən (English)	Biblical
Pepito	pe-PEE-to	Spanish
Miho (1)	-	Croatian
Patrice (1)	pat-REES	French