Using radio waves instead of wires to send information, sound, or signals. It often describes technology like wifi, Bluetooth, or mobile phones.
Formed from 'wire' plus the suffix '-less', meaning 'without.' It originally referred to early radio communication before becoming a general tech term.
People once called radios 'the wireless' because they were amazed sound could travel with no wires at all. The word keeps that sense of wonder, even though we now use wireless tech every day without thinking.
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