To send a message by wireless (by radio)

(uncountable) The medium of radio communication. / (uncountable, networking) Wireless connectivity to a computer network. / (dated, chiefly Britain) A radio set.

Not having any wires. / Of or relating to communication without a wired connection, such as by radio waves.

(dated, chiefly Britain) plural of wireless

Third-person singular simple present indicative form of wireless

The state or condition of being wireless; lack of wires or cables.

simple past tense and past participle of wireless

present participle of wireless

Telegraphy by radio rather than by transmission cables / The use of radio to send signals by Morse code

(dated) The transmission of voice using radio