understeer

From under- + steer.

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understeer (countable and uncountable, plural understeers)

1. The condition in which the front wheels of a car fail to follow the desired curve while cornering, instead following more of a straight-line trajectory, losing a degree of traction, and so slipping off the required line.

   Antonym: oversteer

understeer (third-person singular simple present understeers, present participle understeering, simple past and past participle understeered)

1. The action of a car when it does not follow the desired curve while cornering. Tyre slip of the front wheels.

   Antonym: oversteer

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