driverless
Americanadjective
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not having a human driver in control.
The horse became startled and the now driverless horse-drawn carriage ran into a car.
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without a human operator.
driverless machinery.
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(of a vehicle) navigated and maneuvered by a computer without a need for human control or intervention under a range of driving situations and conditions.
a driverless car.
Etymology
Origin of driverless
First recorded in 1840–1850
Explanation
If you spot a car cruising down the road without a human at the wheel, don’t worry — it's not a ghost driving, it's probably just a driverless vehicle. The word driverless means exactly what it sounds like: a vehicle with no one driving it. The word combines driver, someone who drives or controls movement, with the suffix -less, which means "without." Driverless vehicles use technology like sensors and computers to "see" the road and make decisions without a person behind the wheel.
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.
Zoox, Amazon’s robotaxi effort, launched its first paid, driverless rides in Las Vegas earlier this week.
From Los Angeles Times ● Aug. 14, 2026
I now use vision models, the same technology that powers driverless cars, and I work with sovereign wealth funds on systematic signals for commodities trading.
From MarketWatch ● Jul. 27, 2026
Through drought and earthquake, and from horse-drawn wagons to driverless cars, they have delivered.
From Los Angeles Times ● Jul. 25, 2026
The company offers driverless rides in 11 U.S. cities and is planning to soon expand the service to Denver, Las Vegas, San Diego and Tampa, Fla., Waymo announced on Wednesday.
From The Wall Street Journal ● Jul. 10, 2026
The next moment his own horses dash around the corner into State street, driverless and running away.
From David Lockwin—The People's Idol by John McGovern
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.