sneak

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.”

The act of sneaking

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.

USA sneaker; a tennis shoe.

american footballA play where the quarterback receives the snap and immediately dives forward.

A person who is regarded as underhanded and furtive and contemptibleperson

Someone who prowls or sneaks about; usually with unlawful intentionsperson

Someone acting as an informer or decoy for the policeperson

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.”

ditransitiveTo stealthily bring someone something.

“She asked me to sneak her a phone next month.”

informalwith onTo inform an authority of another's misdemeanours.

“If you sneak on me I'll bash you!”

Put, bring, or take in a secretive or furtive manner

“sneak a look”

“sneak a cigarette”

Make off with belongings of others

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.”

Marked by quiet and caution and secrecy; taking pains to avoid being observed

“a furtive manner”

“a sneak attack”

“stealthy footsteps”