The term 'Sneaky Tactic' can be defined by two crossword solutions: 'PLOY' and 'RUSE'. A PLOY is a clever plan or strategy that is used to achieve a desired outcome. It is often used in a deceptive way, such as to trick someone into doing something. A RUSE is a deceptive maneuver or trick that is used to gain an advantage over someone else. Both of these terms are used to describe a sneaky tactic, which is a strategy that is used to gain an advantage without being detected.