Steal a glance is an idiom that means to take a quick, surreptitious LOOK at something. The crossword solutions for this term are PEEK, PEEP, LEER, LOOK, and GAZE, all of which are four-letter words. PEEK and PEEP both mean to take a quick, often furtive LOOK at something. LEER is to LOOK at someone or something with a sly, knowing expression. LOOK is to direct one's GAZE in a certain direction. Finally, GAZE is to LOOK steadily and intently at something.