Meaning

• One who sneaks; one who moves stealthily to acquire an item or information.

  "My little brother is such a sneak; yesterday I caught him trying to look through my diary."

• A cheat; a con artist.

  "I can't believe I gave that sneak $50 for a ticket when they were selling for $20 at the front gate."

• An informer; a tell-tale.

• A ball bowled so as to roll along the ground; a daisy-cutter

• A sneaker; a tennis shoe.

• A play where the quarterback receives the snap and immediately dives forward.

Meaning

• To creep or go stealthily; to come or go while trying to avoid detection, as a person who does not wish to be seen.

  "He decided to sneak into the kitchen for a second cookie while his mom was on the phone."

• To take something stealthily without permission.

  "I went to sneak a chocolate but my dad caught me."

• (ditransitive) To stealthily bring someone something.

  "She asked me to sneak her a phone next month."

• To hide, especially in a mean or cowardly manner.

• (with on) To inform an authority of another's misdemeanours.

  "If you sneak on me I'll bash you!"

Meaning

• In advance; before release to the general public.

  "The company gave us a sneak look at their new electronic devices."

• In a stealthy or surreptitious manner.

  "I was able to get a sneak peek at the guest list."