The phrase "almost devastated" is correct and usable in written English.
It can be used to express a feeling of being very close to being overwhelmed or deeply affected by something, but not completely so.
Example: "After hearing the news, I felt almost devastated, but I managed to pull myself together."
Alternatives: "nearly crushed" or "close to being heartbroken."
In February 197 he was defeated and killed in a difficult battle near his capital of Lugdunum, which, in turn, was almost devastated.
But when silverleaf was intercropped with maize, there was almost no striga, even though the field of maize next door was almost devastated by it.
But it almost devastated the cranberry industry.
The Great Cranberry Scare created havoc at the worst possible time for this food– lots of cranberries are consumed during the holidays and cranberry juice has always been a favorite in America – and the health scare almost devastated the cranberry industry.
The close link between TB and HIV added to the stigma and fear of diagnosis: "The other thing that we have still in the relationship to tuberculosis is the stigma that is related to tuberculosis and HIV" and: "So those two big problems will make this client almost devastated with the fear that 'Now I have HIV.
That almost devastated Argentine exports to Brazil because the Argentine government kept its peso locked one-to-one with the American dollar.
The following statement – there should never be any wars, in any circumstances – is almost devastating in its simplicity.
It's as if those two firms conveniently glossed over all that nasty stuff about thousands of employees losing their jobs, investors seeing their life savings devastated, and, oh, almost forgot, the nearly devastating impact upon the U.S. economy.
The rise of Islam in Arabia a century later almost completely devastated Aksum, as Muslim sailors swept Ethiopian shipping from the sea-lanes.
But that might not be enough for fans who are almost as devastated as they were during [SPOILER ALERT] last season's Red Wedding.
The post-Mission Period native population was almost entirely devastated.
