0 past simple and past participle of nudge
1 to push something or someone gently, especially to push someone with your elbow (= the middle part of your arm where it bends) to attract the person's attention:
2 to encourage or persuade someone to do something in a way that is gentle rather than forceful or direct:
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.