1. For a short time
   "she visited him briefly"; "was briefly associated with IBM" 
2. In a concise manner; in a few words
   "she replied briefly"; "briefly, we have a problem"
   - concisely, shortly, in brief, in short

See also: brief

• running headline
• running light
• running mate
• running noose
• running pine
• running play
• running pop
• running postman
• running shoe
• running start
• running stitch
• running suit
• running time
• running title
• runny
• runoff
• runproof
• runt
• runtiness
• runty
• runup
• runway
• Runyon
• rupee
• Rupert