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gumshoe

American  
[guhm-shoo] / ˈgʌmˌʃu /

noun

  1. Slang. a detective.

  2. a shoe made of gum elastic or India rubber; rubber overshoe.

  3. sneaker.


verb (used without object)

gumshoed, gumshoeing
  1. Slang.

    1. to work as a detective.

    2. to go softly, as if wearing rubber shoes; move or act snoopily or stealthily.

gumshoe British  
/ ˈɡʌmˌʃuː /

noun

  1. a waterproof overshoe

  2. a rubber-soled shoe

  3. slang a detective or one who moves about stealthily

  4. slang a stealthy action or movement

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. slang (intr) to act stealthily

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of gumshoe

An Americanism dating back to 1860–65; gum 1 + shoe

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This year, she’s vying for lead actress in a comedy for her performance as an eccentric gumshoe on the Netflix whodunit “The Residence.”

From Los Angeles Times • Aug. 13, 2025

Melling’s scenery-chewing portrayal of the budding writer — and, here, amateur gumshoe — is one of the film’s chief delights.

From Washington Post • Jan. 3, 2023

The panel does intend on continuing its gumshoe work as long as possible, and is not planning to release its final report until December.

From Seattle Times • Sep. 21, 2022

In many ways, Mickey is a throwback to a classic gumshoe, though he's in front of the jury box.

From Salon • May 21, 2022

In literature and in the popular imagination, the all-seeing private eye—the gumshoe, the cinder dick, the sleuthhound, the shadow—displaced the crusading sheriff as the archetype of rough justice.

From "Killers of the Flower Moon" by David Grann