Definition of "flagging" []

• Declining; weakening: flagging strength. (adjective)
• Languid; drooping. (adjective)
• A pavement laid with flagstones. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The key to flagging is to flick it quickly as a long-distance attention getter."
• "She was early in flagging global environmental threats and poverty and corruption in the Third World."
• "That doesn't go for the party of course, but by the time I got there I was already flagging from a long day at work and so I caught up with Zoe over two glasses of wine and then went home at a reasonable hour."