Definition of toss-up Toss-up

We found 4 definitions of toss-up from 2 different sources.

What does toss-up mean?

Noun
toss-up - an unpredictable phenomenon; "it's a toss-up whether he will win or lose"
		tossup, even chance

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toss-up (Noun)
A decision in which neither choice is clearly favorable or unfavorable, or for which the outcome does not matter.
toss-up (Noun)
Either of two outcomes that are equally likely.
toss-up (Noun)
The toss of a coin used to decide some issue.