Synonyms for Flagged down:

• v.

  •hail (verb)
  • holler,
  • flag,
  • flag down,
  • greet,
  • shout,
  • speak to,
  • whistle down,
  • yawp,
  • address,
  • wave down,
  • welcome,
  • whistle for,
  • sing out,
  • shoulder,
  • yoo-hoo,
  • accost,
  • salute,
  • hello,
  • signal.

Antonyms for Flagged down:

• v.

  • hail
    dribble, whisper, dishonor, slight, drip, disparage, disdain.