half birthday

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See also: half-birthday


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half +‎ birthday


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half birthday (plural half birthdays)

  1. The day halfway in between two consecutive birthdays.
    • 2003, Meg Cox, The Book of New Family Traditions, page 263:
      You can sing "Happy Half Birthday to You!" or you could try only singing every other word.
    • 2004, Ginnie Mesibov, Outer Strength, Inner Strength, page 39:
      The fete was Mary Beth's halfbirthday.
    • 2009, Philip Done, Close Encounters of the Third-Grade Kind: Thoughts on Teacherhood:
      “Your halfbirthday?” I pointed to the plate.
    • 2009, Bill Glazer, Dan Kennedy, Outrageous Advertising That's Outrageously Successful, page 257:
      After all, a half-birthday celebration for an adult is OUTRAGEOUS in itself.