sneakery adjective 2noun 1forms 2 adjective2 •Involving or characteristic of sneakers.Masked men and women, mainly white, swish past on sneakery soles. — 1994 •(dialect) Sneaky.Vy she snoop and peer all the time after those poor sneakery Lanchester girls? — 1946 noun1 •Stealth; the practice of sneakingBut time would fail to trace, in individual cases, the sneakery of History. — 1859 formsmore sneakery · most sneakery