The phrase "alarmingly real" is correct and usable in written English.
It can be used to describe something that is surprisingly or disturbingly genuine or authentic, often in a context that evokes concern or fear.
Example: "The documentary presented an alarmingly real portrayal of the effects of climate change on coastal communities."
Alternatives: "shockingly authentic" or "disturbingly genuine."
She can be seen at close quarters now, and she turns out to be an alarmingly real person.
The purpose of this stunt was to raise awareness — that the false news phenomenon was coming to video and that the creations, though not entirely convincing, could look alarmingly real.
But the real impacts are things like floods, storms, higher food prices and widespread droughts - and that's all alarmingly real.
Even her skin felt alarmingly real to the touch; just like you'd expect the skin of a big, scaly, cold-blooded animal to feel.
When he finally lost it with Milky (who had fathered Lol's baby and engendered the big split), his pent-up rage was alarmingly physically real.
If the financial system carries on with business as usual, atmospheric carbon concentrations will rise alarmingly with the real risk that pension assets will be wiped out along with the world as we know it.
Ramos looked forlorn, his right-back Carvajal isolated and exposed on the opposite flank and Real creaking alarmingly, though Aquino's inability to convert a pair of chances just before the half-hour mark felt critical.
The feminist icon made an alarmingly sexist remark on "Real Time with Bill Maher" Friday night, suggesting that young, female supporters of Democratic presidential candidate Bernie Sanders only support him because dudes do, too.
More alarmingly, it distracts from the real problems our nation faces, from our mounting debt to our involvement in multiple overseas conflicts to our struggling economy.
And as the authors point out, 1.5% a year is just what's disclosed – the real fees are often alarmingly higher.
Of course, some of this was alarmingly "skeumorphic" in its imitation of real physical items, but the interactions were nevertheless intuitive: They didn't just look like sticky notes and pages, they acted like them.
