The phrase "a singular reputation" is correct and usable in written English.
It can be used to describe a unique or distinctive reputation that sets someone or something apart from others.
Example: "Her dedication to her craft has earned her a singular reputation in the art community."
Alternatives: "a unique reputation" or "an exceptional reputation".
But Updike acquired, early on, a singular reputation for effortless virtuosity and steady professional recognition.
Neville earned a singular reputation when he was Manchester United's shop steward.
But it always amazed me that Hadid had somehow attracted a singular reputation for being difficult to deal with.
Mr. Wein, 83, enjoys a singular reputation as the patriarch of the American festival, and he had a history of rebuffing previous offers.
Since then John Masters has built up a singular reputation for quality, natural hair care products worldwide.
Mr. Walker has a singular international reputation in landscape architecture as a visionary, publisher, professor and indomitable creative force.
In addition to all the familiar and renowned McIntosh design themes, the MXA60 features the superior music reproduction technologies that have cemented the company's singular reputation among audiophiles.
For Lenz, who has built his singular reputation by portraying the common folk of Wisconsin, the idea of celebrating an individual who was already a known figure went slightly against his grain.
His reputation as a singular young talent grew as he directed shows such as Woyzeck and Hair at the Gate theatre.
At this point, the film's narrator remarks, in the plummy tones of a "Dragnet" voice-over, "Out of the crowds of Montreal has come a singular talent, with four books under his belt, and a growing reputation.
Elton John, known for many things besides a singular ability to remain a popular singer-songwriter, has in recent years acquired another reputation: that of a deep-pocket collector of photographs.
