Wireless
Part of speech: adjective
Definition: Not having any wires. Of or relating to wireless telegraphy.
Part of speech: noun
Definition: radio a wireless computer network
Example sentence: Driver Shepherd and I had been detailed to drive Lt. Budden in the Wireless Truck. We had been standing by vehicles for an hour, and nothing had happened, but it happened frequently.
Cordless
Part of speech: adjective
Definition: Having no cord; especially using batteries instead of mains electricity