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Related to scenario: scenery
The best possible outcome. The best-case scenario is that Doug will be only an hour late—traffic on his route is at a standstill. They're only selling junk at the yard sale, so I think the best-case scenario is that they'll make $10. The doctor said that the best-case scenario is an operable tumor.
the worst-case scenario
The worst possible thing that could happen. We don't expect it to happen, but we need to plan for the worst-case scenario. The worst-case scenario here is that we lose the next three games and miss the playoffs. The best-case scenario is that we win out and get a bye in the first round.
Cliché the optimum outcome being considered. (Compare this with the worst-case scenario.) Now that we've seen the negative angle, let's look at the best-case scenario. In the best-case scenario, we're all dead eventually—but then that's true of the worst-case scenario also.
Cliché the worse possible future outcome. Now, let's look at the worst-case scenario. In the worst-case scenario, we're all dead.
n. the worst possible future outcome. Now, let’s look at the worst-case scenario.