1. To peer, glimpse, or glance through (something) quickly, shyly, or inconspicuously. I peeked through the curtains to see if the man was still lurking outside our house. I looked over at the door and could see a small child peeking through.
2. To be revealed partially through or from behind something. I went the whole day without realizing that my bra was peeking through my dress. I tried to cover up the graffiti with black paint, but there was still a bit of color peeking through.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. to peer or glimpse through something. I'll just peek through your picture album. I'll study it more carefully later. I only have time to peek through. I would like to spend more time with it later.
2. [for something] to become slightly visible through something. Mary, the lace of your slip is peeking throughyour blouse! Some lace is peeking through.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.