1rare The quality or condition of having or terminating in a peak or point.
The extent to which distribution, as expressed in a graph, is concentrated in a peak or series of peaks.
Mid 19th century; earliest use found in John P. Kennedy (1795–1870), novelist and politician. From peaked + -ness.
Pinched or sickly appearance; the state of being in poor health.
Late 19th century; earliest use found in Joel Chandler Harris (1848–1908). From peaked + -ness.