A home appliance (e.g. a refrigerator) equipped with technology to monitor energy use and provide other functions, often as part of home automation system.

plural of smart appliance

A municipality that uses information and communications technology, such as electronic sensors, to increase efficiency and improve the quality of services.

(slang, US, dated) A large amount, a great deal.

A device that plugs into a standard wall socket and allows further devices to be plugged into it. The on/off state can then be controlled remotely via an app.

A medicinal pill containing a sensor that collects and transmits data that can be used by patients and health professionals. / A drug that is intended to increase intelligence in the user.

plural of smart motorway

(UK, transport) A section of motorway that uses active traffic management (ATM) techniques to increase capacity by use of variable speed limits and hard-shoulder running at busy times.

(politics) The combination of hard power and soft power strategies.

plural of smart contract