The phrase "almost completely wiped" is correct and usable in written English.
It can be used to describe something that has been nearly erased or removed, whether literally or figuratively.
Example: "After the storm, the town's history was almost completely wiped from the records."
Alternatives: "nearly erased" or "practically obliterated".
'The country's proud revolutionary spirit has been almost completely wiped out'.
More importantly, three-quarters of them had their diabetes almost completely wiped away.
By the late 1990's the scallop industry was almost completely wiped out.
However, five years on, it seems as if little has changed in Egypt – and the country's proud revolutionary spirit has been almost completely wiped out.
My immune system remains almost completely wiped out, a result of the intensive chemotherapy I underwent the week before my transplant.
The Fed also took a majority stake in A.I.G. in exchange for the bailout, angering shareholders, who were almost completely wiped out.
This is a policy that would severely harm universities' ability to recruit, and almost completely wipe out the pathway market that many rely upon, precisely to raise international student language skills to required levels for degree success.
But is there precedent for something like a virus entering a population and almost completely wiping it out?
All five boroughs consolidated into one city in 1898, and the city landscape changed rapidly, almost completely wiping away Weeksville by the late 1930s.
As can be seen in Figure 6, for moderate rearrangement distances, and for a wide range of fractionation rates, our procedure almost completely wipes out the distortion caused by the fractionation.
Today, the pure hunting and gathering way of life is almost completely obliterated, wiped out by intrusions from modern civilizations.
