This is the 8453rd most frequent Korean word.
reverse
The Korean word for "reverse" (역 or 반대) means to change direction, position, or order to the opposite.
Here, '역으로' refers to a thinking process where the usual order is turned around or considered in the opposite manner.
역으로 생각하면 그 문제가 더 쉽게 보일 수 있습니다.
If you think in reverse, that problem might appear easier.
'반대 방향으로 돌아서다' means to change direction to the opposite, describing physical motion in a reverse path.
길이 막혀서 우리는 반대 방향으로 돌아서야 했습니다.
Due to a blocked road, we had to reverse and go in the opposite direction.
'행동을 뒤집다' means to reverse or undo an action, metaphorically describing a change or correction in actions.