keyless
1. [ adjective ] lacking or not requiring a key
Examples:

"a keyless lock operated by a series of pushbuttons"

Related terms: keyed
Similar spelling:   Kelso
  Kelsi
  Kells
  Keels
  Kelsoe
  Kelsie
  Kelsey
  Kelsch
  Kellis
  Kyles
  Kelch