gumshoe

gum·shoe  (gmsh)

n.

1. A sneaker or rubber overshoe.

2. Slang An investigator, especially a detective.

intr.v. gum·shoed, gum·shoe·ing, gum·shoes Slang

1. To work as a detective.

2. To move about stealthily; sneak.

Thesaurus

Noun	1.	gumshoe - someone who is a detective           dick, hawkshaw colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech detective, police detective, tec, investigator - a police officer who investigates crimes
	2.	gumshoe - a waterproof overshoe that protects shoes from water or snow galosh, golosh, arctic, rubber overshoe - footwear that protects your shoes from water or snow or cold