v. & n. colloq.
v.intr. 1 pry into matters one need not be concerned with. 2 (often foll. by about, around) investigate in order to find out transgressions of the law etc.
n. 1 an act of snooping. 2 a person who snoops; a detective. snooper n. snoopy adj.
[ Du. snoepen eat on the sly ]