or 50-50

[ fif-tee-fif-tee ]
/ ˈfɪf tiˈfɪf ti /


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

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.