Simple Definition of peek

from our Learner's Dictionary

peek

verb

peeks; peeked; peeking
1
a
: to look at someone or something secretly especially from a hidden place
A little girl peeked around the corner of the chair at him.
She peeked [=peered] through a hole in the fence.
Close your eyes, and no peeking!
b
: to look at something briefly
She peeked ahead to the next chapter to see what happened next.
He allowed some of his friends to peek at his next painting.
2
: to show slightly : to be slightly visible
usually + out
Her slip peeked out from beneath her skirt. [=a small part of her slip could be seen beneath her skirt]

Cite this Entry

“Peek.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/peek. Accessed 15 Apr. 2026.

More from Merriam-Webster on peek

More from Merriam-Webster