Keyless

adj

Definitions

Adjective
  1. 1
    Lacking or not requiring a key. not-comparable

    "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."

Adjective
  1. 1
    lacking or not requiring a key wordnet

Etymology

From key + -less.

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