fifty-fifty(redirected from 50-50)
With an equal chance of one of two results occurring. Refers to a 50% probability. Brad has been so unreliable lately that I'd say its fifty-fifty that he comes tonight. When I flip this coin, there is a fifty-fifty chance that it will land on heads.
even or equal. (See also go fifty-fifty (on something).) The chances of success are about fifty-fifty. Even at fifty-fifty, it's probably worth it, you know.
see under under go halves.