"veiled hint" is correct and usable in written English.
You can use this phrase when you want to describe something that could be interpreted as a hint, but is not explicit. For example: "His tone had a veiled hint of anger."
There was a very veiled hint on Tuesday, however, that the talks were not going well.
He said authorities had to get monetary and fiscal policy right, which analysts said was a veiled hint to the Bank of England to cut interest rates.
On his return he published his De Motu (1721), which rejected Sir Isaac Newton's absolute space, time, and motion, gave a veiled hint of his immaterialism, and in the 20th century earned him the title "precursor of Mach and Einstein".
Neither that veiled hint of possible layoffs nor word of yet another committee could have been welcome.
In fact, Pinterest backer Hiroshi Mikitani, CEO of Rakuten, recently alluded to The Fancy's movements in this area with a thinly veiled hint of disdain, telling Forbes, "there are so many copycats of Pinterest already who are focusing just on shopping but they are not getting as much attraction as Pinterest because they are too commercial".
Since the first veiled hint of its existence in 2009, Destiny and the rumours around it had permeated all areas of gaming conversation: it cost half a billion dollars, it would be the largest open world game ever created, 500 people worked on it, Peter Dinklage narrated it.
There were veiled hints from some members uneasy about what they had learned.
Small, strange things the usually benign and peaceful Nicky said, veiled hints that he had devastating plans that would end his short, vibrant but tumultuous life.
That has left the trial, which began on Monday, focused on Mr. DeChristopher's head on the auction day and offering jurors only veiled hints about the broader political motivations.
The Raiders are officially mum on the subject, and Fox floated veiled hints today, when prompted by reporters, that he quit because of meddling from the team owner, Al Davis.
Others have suggested that Juncker would lack the energy to tackle the more deep-seated structural problems of the European Union, and there have been veiled hints that he was sometimes too fond of the odd drink and cigarette – leading him to deny this year that he had an alcohol problem.
