Useless, unserviceable.

Of things: Unfit or unsuitable for some purpose. Obsolete.

Of things: Not capable of being employed for their proper purpose.

Unserviceable.

That cannot be put to use or practically dealt with; unmanageable, intractable, unserviceable. Of things generally.

Adjudged or officially pronounced unfit for use.

(un-, prefix1 affix 1b.)

(un-, prefix1 affix 1b.)

Disconnected. Hence, broken, not working (see also quot. 1925).

Ruined, useless.

unserviceable.

Of a device: unable to be operated or used; broken.