intr.v., snooped, snoop·ing, snoops.
To pry into the private affairs of others, especially by prowling about.
n.
One who snoops.
[Dutch snoepen, to eat on the sly.]
snooper snoop'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.