u-turn
US /ˈjuː.tɜːrn/
UK /ˈjuː.tɜːrn/
1.
a U-shaped turn made by a vehicle, typically in a road, so as to face in the opposite direction
:
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The driver made a quick U-turn to go back the way he came.
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Making a U-turn is prohibited on this street.
2.
a complete change of policy or opinion
:
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The government made a sudden U-turn on its economic policy.
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His decision was a complete U-turn from what he said last week.
1.
to make a U-turn with a vehicle
:
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You can't U-turn here, it's a one-way street.
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He had to U-turn when he realized he missed his exit.