A transitive verb meaning to move something or someone out of the way or clear it aside. In colloquial speech it's often said as 'どける'.
通路をふさいでいる段ボールを退けてください。
Please move the cardboard boxes blocking the passage out of the way.
机の上の書類を少しどけて、スペースを作った。
I moved some papers on the desk to make some space.
邪魔だから、その椅子を退けておいてくれない？
Could you move that chair aside? It's in the way.