hullo

/həˈloʊ/
interjection
  1. Used as a greeting or to attract attention.
    • Hullo, is anyone home?
    • Hullo, what have we here?
    • Hullo there, I didn't see you come in.
Synonyms
Antonyms
noun
  1. An exclamation of greeting or surprise.
    • She gave a cheerful hullo as she entered the room.
    • I heard a loud hullo from across the street.
    • His hullo was met with silence.
verb
  1. To call out or greet with the word 'hullo'.
    • I hulloed but no one answered.
    • The children hulloed as they ran through the park.
    • He hulloed to his friend from the window.