Synonyms for Holloa:

• n.

  •bellow (noun)
  • bellow.
  •bellowing (noun)
  • bellowing.
  •holla (noun)
  • holla.
  •holler (noun)
  • holler.
  •hollering (noun)
  • hollering.
  •hollo (noun)
  • hollo.
  •holloa (noun)
  • roaring,
  • yowl,
  • roar.

• Other synonyms:

  •n.
  • call,
  • cry,
  • outcry,
  • shout,
  • vociferation,
  • yell.