singularly
adv.in a way that is very unusual or different from what you would normally expect. It can also mean that something is done by one person alone.
adv.in a manner that is distinct, unusual, or unique; also used to emphasize that an action is performed by a single individual or entity.
“The old man lived singularly in a small cabin in the woods.”
“The witness provided a singularly detailed account of the events, which helped the investigators solve the case.”
“While the rest of the committee was divided on the issue, the director acted singularly to veto the proposal, citing long-term strategic concerns that others had overlooked.”
“The second half deposits him in the thick of the 15th-century Hussite wars where, cowardly to the core, he singularly fails to cover himself in glory.”
From Middle English singulerly; equivalent to singular + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.