The phrase "a lone act" is correct and usable in written English.
It can be used to describe an action that is performed by a single individual, often implying solitude or isolation in the act.
Example: "His decision to speak out against the injustice was seen as a lone act of bravery in a sea of silence."
Alternatives: "an isolated action" or "a solitary deed."
Lawyers for Jogee will ask the justices to consider what prosecutors had to prove to establish that the killing was a joint enterprise rather than a lone act by Hirsi.
Discovery might be a lone act, and especially when in secret, could cover all kinds of subjects, from finding that lost fiver in your pocket, to the horror of finding our a secret affair, or that you are adopted, or that you have a long lost twin.
We are living in a time in which technology allows us to interact with the "other" on a scale never before imaginable, when a lone act of rebellion, can stream along social networks, and congeal into revolution, when, through surveillance techniques, flesh and blood people can be labeled "terrorist" or "normal" by computer analysis of e-mail meta-data, biometrics, and behavioral patterns.
Loseff describes it as "the lone act in his life of self-censorship".
Mr. Corea is among the musicians cited as influences by Mulgrew Miller, 54, who will be the lone act on opening night at Caramoor.
But surprise turned to anger when she realised her role was the only one being cut – and that this lone act of "restructuring" was happening halfway through her maternity leave.
But this lone act of bravery by "the woman in the red dress" was captured on video and became something much bigger.
In mid July 1995, more than 8,000 "Bosniaks" (Bosnian Muslims) were systematically killed by Bosnian Serb soldiers in what is sometimes called the lone act of European genocide since World War II.
In July 1995, more than 8,000 "Bosniaks" (Bosnian Muslims) were systematically killed by Serb soldiers in what is sometimes called the lone act of European genocide since World War II.
In mid-July 1995, over 8,000 "Bosniaks" (Bosnian Muslims) were systematically killed by Bosnian Serb soldiers in what is sometimes called the lone act of European genocide since World War II.
The ISC refers to evidence from an unidentified Home Office official who told the committee: "There is no doubt that the more sophisticated people in al-Qaida recognise that groups are, in some ways, a thing of the past; and that encouraging lone acts of terror is exactly the way forward".
