So as to express one, or the singular number.(adverb)
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Use "singularly" in a sentence
"Black Hill no doubt at one time deserved its name, being then covered with dark trees and representing a black appearance at a distance; but at present, owing to the mines which have been worked there, the whole place is covered with dazzling white clay, or mulloch, which now renders the title singularly inappropriate."
""Gospel According to the Apostles," a title singularly like the"
"Owing to the absence of Walpole, who was then in Paris, some time elapsed without any notice being taken of this request; and on his return Walpole found the following letter, which he terms singularly impertinent."