(adv) in a singular manner or to a singular degree, Example:Lord T. was considered singularly licentious even for the courts of Russia and Portugal; he acquired three wives and fourteen children during his Portuguese embassy alone
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
adv. 1. In a singular manner; in a manner, or to a degree, not common to others; extraordinarily; as, to be singularly exact in one's statements; singularly considerate of others. “Singularly handsome.” Milman. [ 1913 Webster ]