The phrase "a much more vulnerable" is correct and usable in written English.
It can be used when comparing the vulnerability of one subject to another, emphasizing a greater degree of vulnerability.
Example: "After the storm, the coastal town became a much more vulnerable target for future hurricanes."
Alternatives: "significantly more vulnerable" or "far more vulnerable".
Back in London seven months later, Fish is in a much more vulnerable place.
But Israel says it wants the negotiations to begin without conditions, and believes that Syria is in a much more vulnerable position now.
Bush's big tax cut puts the economy in a much more vulnerable position on the first point, and pretty much precludes us from getting back to a more balanced set of investments.
Mr. Castillo's prominence helps protect him, although losing the backing of what has historically been the country's second most important newspaper makes him a much more vulnerable target for the numerous powerful people he has alienated in his decades of investigative reporting.
Our intervention includes the topics taught above, but we have a much more vulnerable sample, and we employ CHWs as the interveners.
In the latter a much more vulnerable population may be exposed to an experimental clinical intervention with significant potential for harm and a greater degree of review should therefore be required.
Cigarettes also play havoc with the immune system – leaving a player much more vulnerable to a bout of winter flu just before the busy Christmas fixture list.
"Being under surveillance by law enforcement makes a family much more vulnerable to Child Protective Services," says Professor Dorothy Roberts of the University of Pennsylvania Law school.
But the reality star reveals a shocking and much more vulnerable side to her personality: London, 43, admits to suffering from both anorexia and compulsive overeating in the past.
Due to the ad hoc and mobile nature of a MANET, it is much more vulnerable to attacks than a wired network.
However, a tether system is much more vulnerable to space debris impacts than a typical spacecraft and its design must be proved to be safe up to a certain confidence level before being adopted for potential applications.
