"potentially threatening" is a perfectly acceptable phrase in written English.
You can use it to refer to a situation that has the potential to become threatening or a person who has the potential to become a threat. For example: The police were warned that the man had a history of violence, so they took the potentially threatening situation very seriously.
Technology is enabling these entrepreneurs but it's also potentially threatening the jobs of other women.
As the plane lost fuel, its center of gravity began to shift, potentially threatening its stability.
It flags as potentially threatening many people who aren't, as millions of people living with mental illness have experienced firsthand.
The idea of bringing Skype to mobile phones has always been viewed by cellular operators as potentially threatening.
These modules are gradually moving relative to each other, distorting the station configuration and potentially threatening the inter-module connections.
Our tool could find a fundamental application in these situations, allowing the identification of strains potentially threatening host health.
They had singled out the only thing that looked potentially threatening on the X-ray — my laptop.
Excessive application of chemical products for promoting crop growth is a significant contributor for elevated concentrations of heavy metals in agricultural soils potentially threatening human health through the food chain.
This is to say, then, that the revolutions have, in great part, global systemic causes – and as such, the revolutions are potentially threatening to the global system itself.
A consolidation of the two vendors was seen as potentially threatening the investments in software made by users of PeopleSoft products.
This is one of the limitations its Iranian detente may soon run into, potentially threatening the cohesiveness of the anti-Isis coalition.
