A sneaky person moves in a quiet, stealthy way. They may also behave in a cowardly or servile manner. They are considered to be underhanded and they prowl and trespass on other people's property. Sneaking is also a tactic that spies may use. They may reveal confidential information for personal gain. Pickpockets are sneaky. People with secrets may not be sneaky, but sneaky people usually have
. secrets that they might willingly share with others.