wireless

(noun) medium for communication. Synonyms: radio, radiocommunication.

(noun) transmission by radio waves.

(noun) an electronic receiver that detects and demodulates and amplifies transmitted signals. Synonyms: radio receiver, receiving set, radio set, radio, tuner.

(noun) a communication system based on broadcasting electromagnetic waves. Synonyms: radio.

(adj) having no wires. Synonyms: wireless (vs. wired). Examples: "A wireless security system."