This is the 4112th most frequent Russian word.
полностью
Completely.
Here, 'полностью' means 'entirely' or 'completely' and emphasizes the extent of agreement.
Я полностью согласен с вашим предложением.
I completely agree with your suggestion.
In this sentence, 'полностью' conveys that the destruction of the house was total and there was nothing left intact.
Дом был полностью разрушен ураганом.
The house was completely destroyed by the hurricane.
Here, 'полностью' is used to indicate that the order was entirely disrupted, emphasizing the total extent of the disorder.