definition of
shadiness

[1] #1 shadiness n. [shade, shadowiness] relative darkness caused by light rays being intercepted by an opaque body; "it is much cooler in the shade"; "there's too much shadiness to take good photographs". wn

[2] #2 shadiness n. of questionable honesty or legality; "they acted with such obvious shadiness that they were instantly recognizable"; "the shadiness of their transactions". wn