0 past simple and past participle of shunt
1 to move a train or carriage onto a different track in or near a station using a special railway engine designed for this purpose
2 to move someone or something from one place to another, usually because that person or thing is not wanted, and without considering any unpleasant effects:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.