key fob
Americannoun
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a programmed, battery-powered device enabling keyless access or entry, especially to a vehicle, usually carried on a key ring or keychain.
The windows and sunroof of your car can also be opened and closed using the key fob.
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an ornament or other object attached to a key ring or keychain.
This key fob of tooled leather can hold a small photo.
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a key ring or keychain with such an ornament on it.
Has anyone turned in a key fob with a little foam golf ball and three keys on it?
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Etymology
Origin of key fob
First recorded in 1910–15
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.
Still they forgot things, like a $600 spare key fob for Frank’s truck.
From The Wall Street Journal • Jun. 20, 2026
The car has its enjoyable quirks: The hatch glass opens up with the press of a key fob button.
From The Wall Street Journal • Jun. 13, 2026
If you want to stop the key fob signal altogether, you can turn off the feature, Sutter said.
From Los Angeles Times • Nov. 26, 2025
He was identified by a golf hat and a distinct key fob that he was wearing during the riot that matched other online photos of Mr Williams.
From BBC • Nov. 14, 2024
The woman pulled a key fob from her pocket, and the red lights of a minivan flashed.
From "Bone Gap" by Laura Ruby
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
