Tentative look (4)
I believe the answer is:
peek
(Other definitions for peek that I've seen before include "Sly look, peep" , "Quick, sly look" , "Furtive glance" , "spy" , "Repeatedly look like this" .)
I believe the answer is:
peek
(Other definitions for peek that I've seen before include "Sly look, peep" , "Quick, sly look" , "Furtive glance" , "spy" , "Repeatedly look like this" .)