(n) of questionable honesty or legality, Example:they acted with such obvious shadiness that they were instantly recognizable; the shadiness of their transactions
(n) relative darkness caused by light rays being intercepted by an opaque body, Syn. shadowiness, shadiness, Example:it is much cooler in the shade; there's too much shadiness to take good photographs
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. 1. Act or process of making a shade. [ 1913 Webster ]
2. That filling up which represents the effect of more or less darkness, expressing rotundity, projection, etc., in a picture or a drawing. [ 1913 Webster ]