i Register
In some senses, peek is marked as informal, dated. Watch for register when choosing this word.
verb
To look slyly, or with the eyes half closed, or through a crevice; to peep.
Close your eyes, and no peeking!
To be only slightly, partially visible, as if peering out from a hiding place.
A pale strip of white skin peeked out from under his waistband.
Her brown skin peeked through the empty gap in her clothing.
To briefly move out of cover (to gather visual information).
Sniper watching the site; don't peek.
To take a look at; to check out.
Peek my new shoes.
To retrieve (a value) from a memory address.
We are peeking the value from the first index's memory location.
noun
A quick glance or look.
noun
Misspelling of pique.