The phrase "a gruesome act" is correct and usable in written English.
It can be used to describe an action that is extremely violent or shocking, often in a context related to crime or horror.
Example: "The news reported on a gruesome act that left the community in shock and mourning."
Alternatives: "a horrific deed" or "a brutal act".
Investigators struggled to find a motive from a suspect whose past did not suggest any warning signs of such a gruesome act.
But its message of Pakistan's centrality to an Afghan settlement is strengthened, whether or not a gruesome act of revenge was intended.
BEIJING — In a gruesome act of resistance that has played out dozens of times in recent months, six young Tibetans set fire to themselves this week, shouting demands for freedom as they were consumed by flames.
Jacky, haunted by a gruesome act of violence in his past, huffs and butts through a rogues gallery of gangland Belgium, and Roskam draws a parallel between these dumb brutes and the animals they are farming.
Bihar: In a gruesome act of negligence, a tractor driver mauled three children to death when he rammed his vehicle into a school building in the state capital of Patna on Wednesday, according to an IANS report on the NDTV website.
So what could have driven a man to commit such a gruesome act?
He is the natural-born product of a media landscape in which a single gruesome act of Islamic State-inspired terrorism and workplace rage can become the wallpaper for our American world.
Saturday's murders in Kunming station of 29 people, and the wounding of 129 more, by 10 masked, black-clad men and women, add a dimension of scale to an already gruesome act.
It includes sex, violence and a few gruesome acts of dentistry.
The Pulse tragedy happened in the shadow of another gruesome act, just a few miles away.
"It is a gruesome, barbaric act.
