Abby Haglage peeks at the fiscal-cliff wish lists of Obama, Pelosi, Boehner, and more.
Another officer, holding a pistol and wearing a rifle strapped to his back, peeks cautiously inside a bus.
Larson peeks into a cauldron of brewing questions, yet backs away without letting us look inside.
late 14c., piken "look quickly and slyly," of unknown origin. The words peek, keek, and peep all were used with more or less the same meaning 14c.-15c.; perhaps the ultimate source was Middle Dutch kieken. Related: Peeked; peeking.
"a peek, glance," 1844, from peek (v.).