Translation guide
The English word 'wireless' is most commonly used as an adjective meaning 'without wires' or 'using radio waves instead of cables'. In Japanese, it is often expressed with the loanword ワイヤレス, but native terms like 無線 are also common, especially in technical contexts. This guide covers how to express 'wireless' in various situations.
Describing devices, connections, or technology that operate without physical wires, typically using radio waves.
The most common and versatile term for 'wireless' in everyday contexts, especially for consumer electronics like headphones, mice, and networks.
I bought wireless earphones.
This mouse is wireless.
A native Japanese term meaning 'wireless' or 'radio'. Often used in compound words and technical contexts, such as 無線LAN (wireless LAN) or 無線通信 (wireless communication).
Specifically means 'cordless', often used for appliances like phones, vacuum cleaners, or tools that operate without a power cord. Slightly narrower than ワイヤレス.
Referring to communication via radio waves, such as two-way radios or broadcasting.
The standard term for radio communication, including amateur radio, walkie-talkies, and wireless telegraphy.
We kept in touch by radio.
He has a radio operator's license.
Sometimes used for modern wireless communication systems, but 無線 is more common in traditional radio contexts.
Referring to a device that receives radio broadcasts, especially in older or British English.
The standard Japanese word for a radio receiver. Use this when 'wireless' means a radio set.
In the old days, the family listened to the wireless.
A more technical term for a radio transceiver or wireless device, often used in professional or military contexts.
We communicated using a wireless set.
ワイヤレス is the most common and general term for 'wireless' in consumer electronics. 無線 is more technical and often used in compound words like 無線LAN or 無線通信. コードレス specifically means 'cordless' and is used for devices that traditionally had a cord, like phones or vacuum cleaners.
In modern English, 'wireless' as a noun meaning 'radio' is dated. In Japanese, use ラジオ for a radio receiver. Do not use ワイヤレス to mean a radio set unless referring to a specific wireless device in context.
I'm setting up the wireless LAN.
Wireless communication technology is advancing.
Cordless vacuum cleaners are convenient.
I'm using a cordless phone.
ワイヤレス通信システムを導入した。
We introduced a wireless communication system.