Sneaked dictionary definition

Awkwardly jammed in the back seat, she sneaked a look at the occupants in the front of the car and withdrew her phone.
She sneaked a peek at her phone, agitated that Darian hadn't been at all concerned with the situation he left her in.
She sneaked a look at his face, surprised to see the warm smile there as he read through her notes.
Washing her hands in the kitchen sink so that she wouldn't disturb him, she sneaked a peak in the refrigerator.
He turned away towards the stairs leading down to the main floor, and she sneaked a glance to see if he still wore the necklace.