Without use of a keyboard.

One who, or that which, keys. / A device for signalling by pressing keys or switches. / (television) A device that replaces a fixed colour in the image with some other picture or background; chromakeyer.

plural of keyer

(computing) The sound produced by a keypress.

plural of keyclick

Lacking or not requiring a key

plural of keycap

The part of a key (on a keyboard) that is pressed by the user, as opposed to any electromechanical unit underneath.

Able to be classified according to a key. / That can be locked and unlocked by a particular type of key. / That can be animated by keyframing.

(computing, informal) Any of various early computer keyboards having an array of small, flat rectangular or lozenge-shaped rubber or plastic keys.