The phrase "less identifiable" is grammatically correct and can be used in written English.
It means that something is not easily recognizable or distinguishable. Example: The suspect's face was covered in a mask and was therefore less identifiable in the surveillance footage.
Many removed their badges, to make them less identifiable.
It may not be perfect, but it's less identifiable than the alternative.
"Bloom" opens the album with loops of piano, drums and less identifiable instrumental tones.
They could now choose to be less identifiable on the road.The French were dismayed.
It also has the advantage of being difficult to trace and less identifiable than other commodities.
Loudspeakers broadcast a strident overlay of snatches of music and, among less identifiable elements, speeches by Martin Luther King, Jr.
More than 700 stalls sell freshly caught fish, shellfish, squid and plenty of less-identifiable undersea treats.
As I watched Yovani suck liters and liters of blood, piss, water, and less-identifiable matter out of corpses, I wondered what he did with all that stuff, as well as the bloodstained sheets and other assorted detritus.
Unsurprisingly, they were pushed to the side as the staff dug through the layer of gratinéed potato for less readily identifiable portions of food.
They trooped to Wellington in their tens of thousands, from all over the globe, dressed as dwarves, goblins, hobbits, elves – and other, less easily identifiable Middle-earth creatures.
The physical aftermath is often severe — burns, bruising, heart attacks — but there are also less easily identifiable effects, such as memory loss and personality alteration, which are often more long-lasting.
