Doohickey is a fun word that describes an object whose name is unknown or forgotten. There are many synonyms for this word, all of which are equally amusing. Gadget, gizmo, thingamajig, widget, contraption, device, and whatchamacallit are some of the alternatives that can be used instead of doohickey. These words are great additions to any speaker's vocabulary as they can add humor and creativity to everyday language. Whether you're trying to describe a complex machine or just a simple tool, there is likely a synonym for doohickey that can fit the bill. So next time you're searching for the perfect word to describe an unknown object, try one of these synonyms instead of always relying on doohickey.