definition of
sneak

[1] #1 sneak v. [mouse, creep, pussyfoot] to go stealthily or furtively; "..stead of sneaking around spying on the neighbor's house". wn

[2] #2 sneak v. put, bring, or take in a secretive or furtive manner; "sneak a look"; "sneak a cigarette". wn

[3] #3 sneak n. a person who is regarded as underhanded and furtive and contemptible. wn

[4] #4 sneak s. [furtive, sneaky, stealthy, surreptitious] marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch". wn

[5] #5 sneak n. [prowler, stalker] someone who prowls or sneaks about; usually with unlawful intentions. wn