\Sin"gu*lar*ly\, 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. 2. Strangely; oddly; as, to behave singularly. 3. So as to express one, or the singular number.