The phrase "a singular exception to" is correct and usable in written English.
It can be used when referring to a specific case that deviates from a general rule or pattern.
Example: "While most students passed the exam, there was a singular exception to this trend: Sarah, who had been ill during the semester."
Alternatives: "a unique case of" or "an isolated instance of".
If there was a singular exception to all the petty posturing and vapid mini-dramas of the debates leading up to the Iowa and New Hampshire….
While interviewing this onomastician for the Findings column, I mentioned my middle name, and Dr. Evans told me that Marion is a singular exception to the rule that cross-gender names travel only one way, from men to women.
20], Terrence Rafferty cites a sequence in which Cary Grant is shanghaied from in front of the Plaza Hotel and narrowly escapes death in a North Shore mansion in Alfred Hitchcock's "North by Northwest" as a singular exception to "the silver screen's general embargo on images of Long Island".
By David Remnick If there was a singular exception to all the petty posturing and vapid mini-dramas of the debates leading up to the Iowa and New Hampshire ballots, it was surely Joe Biden's response, in Philadelphia, to a question posed by Tim Russert about the Iranian nuclear program.
If there was a singular exception to all the petty posturing and vapid mini-dramas of the debates leading up to the Iowa and New Hampshire ballots, it was surely Joe Biden's response, in Philadelphia, to a question posed by Tim Russert about the Iranian nuclear program.
A superb and singular exception to this pattern came at Newcastle on Saturday when Steven Gerrard, England's captain, scored his 100th goal during his 449th match as a Liverpool player.
The codon-anticodon adaptation is long known [18] [23], and the pattern described above would have been nice but boring had there not been an interesting and singular exception to the general pattern of tRNA anticodon matching the most abundant codon.
The singular exception to this pattern is a dip in incidence among men born in Europe during World War II (Moller et al. 1995).
(Beckett, of course, is the singular exception to this rule).
The Burr-Hamilton duel represented the singular exception to this rule".
Ms. Wallach makes perfect sense when she points out the Cubist's gradual retreat from the avant-garde analytic style to Neo-classicism, yet she overlooks the most singular exception to this trend: Marcel Duchamp.
