D defs.my
Entry 1 sense Webster, 1913

keyless

· IPA /kˈiːləs/
01 adj. lacking or not requiring a key; as, a keyless lock operated by a series of pushbuttons. Opposite of keyed.
  1. 1.
    lacking or not requiring a key; as, a keyless lock operated by a series of pushbuttons. Opposite of keyed.