• synonyms


See more synonyms for gizmo on Thesaurus.com
noun, plural giz·mos.
  1. gismo.
Show More


or giz·mo

noun, plural gis·mos. Informal.
  1. a gadget or device: What is this gismo supposed to do?
Show More

Origin of gismo

First recorded in 1940–45; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for gizmo

Contemporary Examples

British Dictionary definitions for gizmo



noun plural -mos
  1. slang a device; gadget
Show More

Word Origin

C20: of unknown origin
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

Word Origin and History for gizmo


1942, "Marine and Navy usage for any old thing you can't put a name to" ["Life" magazine, July 30, 1945], of unknown origin, perhaps a made-up word.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper