"quite authentic" is a correct phrase that can be used in written English.
For example, "This recipe is quite authentic and tastes delicious."
"It feels quite British, quite authentic.
The result of his efforts is tasty, though not quite authentic, barbecue.
Both of them have had bubble tea before and say it tastes quite authentic.
The intellectual patter (all quite authentic) rattles across the field like Napoleonic musketfire.
"On the one hand, it sounds quite authentic – they've really got the electrofunk synths down.
Some have a tacky, ye olde England feel, but others are quite authentic and inviting.
Now then, about these particular not-quite-authentic-but-awfully-delicious summer rolls, which I filled with just-cooked lobster meat, cucumber, avocado and fresh herbs.
Photograph: Joshua Roberts/Reuters 3.41am GMT There is a hint of infomercial in McMorris-Rodgers' pitch – there's some not-quite-authentic cheer to it, a bit of local-market-feeling delivery.
That not-quite-authentic note is the proverbial ad before the YouTube video -- you have to really, really want to see what's on the other end to wait for it, and the vast majority of us just don't.
At the start of the Syrian war, downtown Beirut's Place de l'Étoile, destroyed during the war but now rebuilt in a not-quite-authentic neo-Italiante style, was one of the busiest spots in town for visiting khaleejis (the Arabic term for people from the Persian Gulf region) to take in the temperate climate and designer-clad beauties passing by, while puffing a watermelon shisha.
There's a reason it never made it out of there: I won't say it's spurious, but it doesn't quite feel authentic.
