Hey

ahd-5
  • interjection. Used to attract attention or to express surprise, appreciation, wonder, or pleasure.
  • interjection. Used to express greeting.
  • The Century Dictionary and Cyclopedia
  • noun. An obsolete form of hie.
  • An obsolete form of high.
  • noun. An obsolete or rare form of hay.
  • An exclamation expressing pleasure, surprise, etc.: also used as a call to attract attention and as an interrogative.
  • the GNU version of the Collaborative International Dictionary of English
  • adjective. High.
  • interjection. An exclamation of joy, surprise, or encouragement.
  • interjection. A cry to set dogs on.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • interjection. An exclamation to get attention.
  • interjection. A protest or reprimand.
  • interjection. An expression of surprise.
  • interjection. An informal greeting, similar to hi (used in the US, Australia and Canada).
  • interjection. A request for repetition or explanation; an expression of confusion (see also eh, huh).
  • interjection. A meaningless beat marker or extra, filler syllable in musical lyrics.
  • noun. A choreographic figure in which the dancers weave between one another.