To move or act in a furtive or stealthy manner, often to avoid being noticed. verb
She tried to sneak out of the house without waking anyone.
He managed to sneak a look at the answers during the test.
To take or bring something secretly or without permission. verb
She sneaked a candy bar into the movie theater.
He sneaked his phone into the exam room.
A person who acts in a stealthy or underhanded manner. noun
I don't trust him; he's a bit of a sneak.
The sneak was caught trying to steal from the store.
A preview or early showing of something, often used in the context of movies or television. noun
We got a sneak peek of the new film at the festival.
The network offered a sneak preview of the upcoming series.
Characterized by stealth or secrecy; done in a furtive manner. adjective
He gave her a sneak glance when she wasn't looking.
The sneak attack took the enemy by surprise.