(chiefly computing) Not helpful to users; difficult for an untrained person to use.

Alternative form of user guide.

A manual intended to assist in the use of a particular system.

(computing, telecommunications) Of a operating system, etc., only capable of serving one user at a time, not many users simultaneously.

plural of user guide

plural of magic user

Any person that makes use of a road, such as a driver, cyclist, motorcyclist, moped rider, pedestrian or horserider.

plural of road user

plural of user story

(computing) In software development, a natural language description of how an end user uses a system feature.