The tone of some of their comments, particularly the irony of European Council President Donald Tusk, left May exposed at home as she heads into what is expected to be a tumultuous annual conference of her Conservative Party from September 30.
"The public has delivered its verdict and I as prime minister will deliver upon that", she added.
May insisted the deal reached at Chequers remains the "only serious credible" means of avoiding a hard border in Northern Ireland.
The three largest opposition parties, Labour, the Scottish National Party and Liberal Democrats, have all publicly said they will oppose the prime minister's plans. "You can hear very clearly the clock ticking in the room", said the diplomat.
Brussels and London have made positive noises in recent days on major obstacles, including how to keep an open border between the British province of Northern Ireland and EU-member Ireland, though investors have shied away from taking big bets.
It has been true for some time that France and Germany are the strongest voices for a firm stance toward Britain.
The EU's chief negotiator Michel Barnier is re-working the offer it put forward earlier this year in a bid to address concerns raised by the British prime minister.
There is still no agreement on some issues, including how to avoid new checks on the Northern Ireland-Republic of Ireland border.
Speaking to BBC Radio 4's Today programme, Conservative MP Stephen Crabb said the EU's attempts to "belittle" Mrs May would push people who have been advocating compromise with the European Union to think "the quicker we're out of this circus the better".
He said Brexit "demonstrated that those who explain that one can get by easily without Europe - that it will all go well, that it is easy and brings in a lot of money - are liars".
"It's even more true since they left the day after so as not to have to deal with it".
French President Emmanuel Macron said there was "consensus" that the UK's proposals were "not acceptable".
German Chancellor Angela Merkel said that the EU27 were agreed that, "in the matter of the single market, there can be no compromises".
Labour's Shadow Brexit Secretary Sir Keir Starmer called on Mrs May to abandon her opposition to the United Kingdom remaining in the European single market.
Despite the comments from Mr Muscat and Mr Babis, the Prime Minister showed no intention of giving ground on the issue of a so-called People's Vote when asked about it at the summit on Wednesday.
There is "almost unanimous" agreement amongst European Union that another Brexit referendum should be held in Britain, Joseph Muscat has said.
"So we do not want to take decisions for the 65 million that will damage the 425 million", Rutte said.
He added: "I've not seen these two camps at the table".
Tusk, though, highlighted shortfalls in Britain's position on avoiding a hard border, as well as on economic cooperation, saying that "the U.K.'s proposals will need to be reworked and further negotiated".
On BBC Radio 4's Today he said any deal would be "sub-optimal" to continued membership and "it won't be as easy as yesterday to trade between the two sides".
May said she wanted to reassure people in Northern Ireland "that in the event of no deal, we will do everything in our power to prevent a return to a hard border".
"It was polite", said a senior European Union diplomat.
For imaging, you get a 13MP main camera at the rear that can shoot 4K videos, while the front comes with an 8MP selfie camera. The device comes in 4GB RAM and 6GB RAM models and supports microSD card support extending storage capacity up to 512 GB.
However, his tally of two goals from six matches in all competitions compares to three from half-a-dozen this time past year . That's how it is, but it is completely normal that everybody expects that. "We don't expect that.
Now, in London for a few days, she is said to be planning a move to the capital from the USA to be close to her daughter. As she mingled with her guests outside a marquee, a visibly proud Harry was dutifully by her side.
Houses along the side streets outside East Lake, and even one funeral home, offered parking and their yards were packed. Woods is still chasing that elusive first tournament win of the year, and it won't come easy.
According to the lawsuit, Beyoncé has allegedly been using her magic to run surveillance and control Thompson's finances. The drummer also alleged that Beyonce is responsible for tapping her phones and also murdering her kitten.
Health department staff will need to review prior vaccination information on the child in order to make such a determination. Public health experts say now is a good time for people to consider getting vaccinated for the upcoming flu season.
They fear that without a shared set of facts, Republicans would simply move quickly after the testimony to confirm Kavanaugh. Prof Ford, Mr Kavanaugh and the judge's wife have all been receiving threats, as the case becomes increasingly contentious.
The Dynamics 365 business applications come integrated with Office 365 and natively built on Microsoft Azure. Rather, it is catching up to the industry trend of embedded AI within business applications.
Dagga cases will still head to court
Earlier today, South Africa's Constitutional court gave its ruling that effectively ends prohibition. However, the judgment did not spell out the amount that can be used by an adult in private use.
NatWest apologises to customers locked out of bank accounts
Millions across the United Kingdom and Ireland were said to be affected as the issued also affected Nat West and RBS customers. "We are aware that customers are now experiencing issues logging into their online and mobile banking accounts".
Wind and rain affecting the North West
On Wednesday, a wind gust of 91mph was recorded in Co Down, the strongest in September in Northern Ireland since records began. A wave of weather warnings remain in force for high winds and heavy rain as an Atlantic blast continues to lash the country.
Hurricane Florence Causes Widespread Flooding in The Carolinas
But he told them, 'Washington is with you. "The National Guard is on standby if that's not big enough", Emrick said of the dam. In North Carolina , flooded rivers have left thousands of evacuees still living in shelters and hundreds of roads underwater.
Hunt for famed 'Endeavour' ship could be nearing an end
And on Friday , marine archaeologists are set to make an official announcement they've identified the Endeavor's remains. He arrived off the south-east coast of what is now Australia in 1770, eventually making landfall at Botany Bay.
Nadal withdraws from Asian Swing
Open and this past Monday I was with doctors in Barcelona to review the situation with my knee", Nadal wrote on Twitter . Meanwhile, Nadal's injury also caused him to miss out on Spain's Davis Cup semi-final clash with France last week.