An unplugged wedding simply means that you've politely asked your guests not to use phones, cameras or other devices during your wedding or at least during the wedding service or ceremony.
⇑ Translate the sentence above by Google ⇑
Related: politely
Prev: I politely said, 'Aunty, you are visiting someone?'
Next: Finally the speaker was unable to stand it. He very politely said to the man: "You are having so much discomfort. If you go out to the open air, it might be good for your cold."