Wiktionary
vb. To leave a place or a gathering while trying to avoid being seen or heard.
WordNet
v. leave furtively and stealthily; "The lecture was boring and many students slipped out when the instructor turned towards the balckboard" [syn: slip away, steal away, sneak away, sneak off]
Usage examples of "sneak out".
Even if they waited until nightfall and tried to sneak out, there was little available cover to use except for the bushes, which were right against the house.
Of course, they sneak out and fly the Falcon to where Hools is about to be killed.
It was, as Selquist had anticipated, a perfect night to sneak out of town, avoiding annoying questions about where they were going and why.
I guess it'd be easy for the Mexicans to sneak out there after he left for church.
They had sneaked into the Aventine Empire, and they would sneak out again.
I learnt he's still got my gold, and aims to sneak out with it as soon as he's j'ined by a gang of desperadoes from Tomahawk.
Colonel Ramrod, please instruct Abdullah to have his boys sneak out our road and ring horses, the bulls, the hump and the convicts&mdash.