Found 2 items, similar to sneakiness.
English → English (WordNet) Definition: sneakiness sneakiness n : a disposition to be sly and stealthy and to do things surreptitiously [syn: furtiveness, stealthiness]
English → English (gcide) Definition: Sneakiness Sneakiness \Sneak"i*ness\, n. The quality of being sneaky. [1913 Webster]