(computing) The visual part of a software application that a user sees and interacts with.

The final consumer of a product; the intended recipient or user.

(computing) A person who makes heavy use of computers, running many applications and capable of using advanced functionality.

(computing) The desired, expected, or actual experience of a user interacting with a product, especially as it relates to the design of the product's user interface.

(chiefly computing) Designed to be easy for an untrained user to use, with intuitive ordering of steps, consistent and logical placement of controls, etc.

The quality of being user-friendly.

plural of re-user

Agent noun of re-use; one who re-uses.

plural of road user

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