Definition of "sneaked"

In addition to my sneaked food, Eddit had sneaked a chunk of roast beef, a slice of fried ham, three wieners, some cheese, an onion, several quart jars of fruit, a jar of dill pickles, and a jar of canned rabbit.

1986, Patrick F. McManus, The Grasshopper Trap, page 152

The restaurant opened at six, and he sneaked down for coffee, then sneaked back to his room.

1992, John Grisham, The Pelican Brief, page 275

"I sneaked up and listened," Nynaeve said levelly.

1994, Robert Jordan, Lord of Chaos, page 235