flagged

1. To furnish or deck out with flags.
2. To mark with a flag, especially to indicate the importance of something.
3. (often with down) To signal to, especially to stop a passing vehicle etc.

   Please flag down a taxi for me.

4. To convey (a message) by means of flag signals.

   to flag an order to troops or vessels at a distance

5. (often with up) To note, mark or point out for attention.

   I've flagged up the need for further investigation into this.

6. To signal (an event).

   The compiler flagged three errors.

7. To set a program variable to true.

   Flag the debug option before running the program.

8. To decoy (game) by waving a flag, handkerchief, etc. to arouse the animal's curiosity.
9. To penalize for an infraction.

   The defender was flagged for unsportsmanlike conduct.

10. To defeat (an opponent) on time, especially in a blitz game.

1. To weaken, become feeble.

   His strength flagged toward the end of the race.

2. To hang loose without stiffness; to bend down, as flexible bodies; to be loose, yielding, limp.
3. To let droop; to suffer to fall, or let fall, into feebleness.

   to flag the wings

4. To enervate; to exhaust the vigour or elasticity of.

1. To pave with flagstones.

   Fred is planning to flag his patio this weekend.

1. Marked with a flag
2. Registered with a particular country (and thus flying its flag)

adjective

Paved with flagstones.

adjective

Having split, bushy ends (of bristles).