逆ぎゃく走そう

noun, noun or participle which takes 'suru'

going the wrong way; traveling in the opposite direction

Most commonly used for vehicles or people moving against the designated direction on a road, track, or course. Often implies a dangerous or prohibited action.

• 高こう速そく道どう路ろで逆ぎゃく走そうする車くるまがあった。

  There was a car going the wrong way on the expressway.

• マラソンコースを逆ぎゃく走そうしてしまった。

  I accidentally ran the marathon course in the opposite direction.

noun, noun or participle which takes 'suru'

going against the wind

Used in contexts like sailing or aviation where movement opposes the wind direction. Less common than the traffic sense.

• ヨットが風かぜに逆ぎゃく走そうするのは難むずかしい。

  It is difficult for a yacht to sail against the wind.

noun, noun or participle which takes 'suru'

running in reverse; operating backwards

Technical use for machines, especially electric motors, when they are run in the opposite direction of normal operation.

• モーターを逆ぎゃく走そうさせると故こ障しょうの原げん因いんになる。

  Running the motor in reverse can cause a malfunction.