This is the 7015th most frequent German word.
flüchtigen
"Flüchtigen" means "fleeting" or "temporary" when used as an adjective, or "fugitive" when used as a noun in the appropriate context.
Here, 'flüchtigen' refers to something done quickly or briefly, indicating the brevity of the glance.
Ich hatte einen flüchtigen Blick auf das Bild geworfen.
I had thrown a fleeting glance at the picture.
In this context, 'flüchtigen' describes the concise nature of the conversation.
Nach einem flüchtigen Gespräch gingen wir weiter.
After a brief conversation, we went further.
Here, 'flüchtigen' is used to describe someone evading capture or fleeing, showing its meaning as a noun descriptor.