What is sneak?

More definitions of "sneak":

• (adj): Marked by quiet and caution and secrecy; taking pains to avoid being observed.
  Example: "A sneak attack"
  Synonyms: furtive, lurking, skulking, sneaky, stealthy, surreptitious

• (verb): Put, bring, or take in a secretive or furtive manner.
  Example: "Sneak a look"; "sneak a cigarette"

• (noun): Someone who prowls or sneaks about; usually with unlawful intentions.
  Synonyms: prowler, stalker

• (verb): Pass on stealthily.
  Synonyms: slip

• (noun): Someone acting as an informer or decoy for the police.
  Synonyms: fink, snitch, snitcher, stoolpigeon, stoolie, sneaker, canary

• (verb): Make off with belongings of others.
  Synonyms: pilfer, cabbage, purloin, pinch, abstract, snarf, swipe, hook, filch, nobble, lift