Definition from Wiktionary, the free dictionary
keyless (not comparable)
- Lacking or not requiring a key
2007 April 14, Micheline Maynard, “Car Keys Could Go the Way of Tail Fins”, New York Times:
- Today’s keyless models use a fob — the small remote control device that most modern cars use to lock and unlock doors — but it performs the additional duty of sending a signal to the ignition.