or 50-50



equally good and bad, likely and unlikely, favorable and unfavorable, etc.: a fifty-fifty chance of winning.


in an evenly or equally divided way: The board voted fifty-fifty on the merger.

Nearby words

  1. fiftieth,
  2. fifty,
  3. fifty-eight,
  4. fifty-eighth,
  5. fifty-fifth,
  6. fifty-first,
  7. fifty-five,
  8. fifty-four,
  9. fifty-four-forty or fight,
  10. fifty-fourth


    go fifty-fifty (on), to share equally in the cost, responsibility, or profits (of): We went fifty-fifty on the dinner check.

Origin of fifty-fifty

An Americanism dating back to 1910–15 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fifty-fifty

British Dictionary definitions for fifty-fifty


adjective, adverb

informal shared or sharing equally; in equal parts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with fifty-fifty


see under under go halves.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.