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.


    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

Contemporary Examples of fifty-fifty

Historical Examples of fifty-fifty

  • I say when you have a decision to make and your mind is about fifty-fifty on the subject, how do you decide?


    Joseph C. Lincoln

  • What do we want to split fifty-fifty with them soft, fat millionaires for?

    The Crimson Tide

    Robert W. Chambers

  • The proceeds is to be cut up fifty-fifty as between me and him.

    From Place to Place

    Irvin S. Cobb

  • But if either of us will do, that'll give us each a fifty-fifty chance to escape your toils.

    Spacehounds of IPC

    Edward Elmer Smith

  • Perhaps in only a minimum of cases will the load ever be divided “fifty-fifty.”

    Working With the Working Woman

    Cornelia Stratton Parker

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.