[ kee-lis ]
/ ˈki lɪs /


lacking a key or keys.
requiring no key or keys: a keyless lock operated by a series of push buttons.

Origin of keyless

First recorded in 1815–25; key1 + -less Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for keyless