keyless

[ kee-lis ]

adjective

1. lacking a key or keys. key.
2. requiring no key or keys: key:

   a keyless lock operated by a series of push buttons.

Word History and Origins

Origin of keyless¹

First recorded in 1815–25; key ¹ + -less

Example Sentences

In base format, they each come standard with keyless entry and ignition, an 8-inch infotainment touchscreen, and wireless connectivity for Apple CarPlay and Android Auto smartphone integration.

From Seattle Times

It also installed a special keyless system for cars, so that people wouldn't have to wait around for someone to hand over the key.

From BBC

The difference between keyless entry and the remotes that unlock your car is that keyless entry fobs are always transmitting, so when you get near your car and touch the door, it will unlock.

From Scientific American

A mother has spoken about the "creepy" moment a thief was able to steal her keyless car.

From BBC

Technology continues to shift and transform new schools, from keyless building entry to automated temperature control to Wi-Fi.

From Seattle Times