0 someone who lives very near you, especially in the next house -- vizinho, -a
Our next-door neighbours are always arguing.
1 someone or something that is near or next to someone or something else -- vizinho, -a
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.
Podemos completá-lo passo a passo, por mais longa que seja a estrada e não pode ser concluída, por mais curta que seja a estrada, se você nem mesmo marcar sua pegada.