How to say "radio" in Japanese

• ラジオJLPT N5approx.Common
  nounRadio as the familiar appliance or broadcast medium: listening to the radio or a favorite program. For most everyday senses of the English word, this is the word you want.
  そのニュースはラジオで聞きいたよ。↗

  I heard the news on the radio.
• 無線むせんJLPT N1approx.Common
  nounRadio as a means of communication; literally 'wireless', it covers contact by radio rather than the broadcast medium or the appliance you listen to. For everyday listening, ラジオ is the word.
  パイロットは無線むせんで空港くうこうと情報じょうほうを交換こうかんする。↗

  Pilots communicate with the airport by radio.

Choose 「ラジオ」 for the radio as an appliance or broadcast medium that you listen to, and 無線 for radio as a means of communication, that is, wireless contact by radio.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• ラジオradio
• 無線むせんradio (communication)
• 無線機むせんき(wireless) transceiver