even chance - an unpredictable phenomenon; "it's a toss-up whether he will win or lose"tossup, toss-upfortune, hazard, luck, chance - an unknown and unpredictable phenomenon that causes an event to result one way rather than another; "bad luck caused his downfall"; "we ran into each other by pure chance"
even chance - an unpredictable phenomenon; "it's a toss-up whether he will win or lose"