radio

Syllables: ra·dioUK/ˈɹeɪ.diˌəʊ//ˈɹeɪ.diˌoʊ/

radio noun: the technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.

Image: Stefan Kühn, CC0, via Wikimedia Commons

Noun

radio (countable and uncountable, plural radios)

(uncountable) The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
- send a message by radio
(countable) A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
- (of a song, person, etc.) to be on the radio
- (of a song, etc.) to play on/be played on/get played on/come on the radio
1. (broadly, countable) Any audio playing device, such as the on-board entertainment system in a car, usually including a radio receiver as well as the capability to play audio from recorded media; see also car radio.
(countable) A device that can transmit radio signals.

Synonyms:

tuner, wireless, receiver
(Internet, uncountable) The continuous broadcasting of sound via the Internet in the style of traditional radio.

Verb

radio (third-person singular simple present radios or radioes, present participle radioing, simple past and past participle radioed)

(ambitransitive) To use two-way radio to transmit (a message) (to another radio or other radio operator).
- I think the boat is sinking; we'd better radio for help. / I radioed him already. / Radio the coordinates this time. / OK. I radioed them the coordinates.
(transitive) To order or assist (to a location), using telecommunications.
- “Could you call them here? I'd like to talk to them. Or if they're out in the field, radio them in.”2002, Jack Dave, Death Bridge, iUniverse, →ISBN, page 40
- When I told him that they weren't back yet, he asked if we could radio them back early […] Radioing them in was fine with me.2006, Angie Morgan with Courtney Lynch, Leading from the front: no excuse leadership tactics for women, page 111

Proper noun capitalized: Radio

Radio

A surname.

radio meaning in Hindi, Tamil, Marathi and Urdu

radio in Hindi

technology: रेडियो reḍiyo
receiver — see also radioreceptor: रेडियो reḍiyo

radio in Tamil

technology: வானொலி vāṉoli
receiver — see also radioreceptor: வானொலி vāṉoli
transmitter — see also radiotransmitter: வானொலி அலைபரப்பி vāṉoli alaiparappi

radio in Marathi

technology: रेडिओ reḍio

radio in Urdu

technology: ریڈِیو reḍiyo, مشعہ, بے تار be tār
receiver — see also radioreceptor: ریڈِیو reḍiyo

More languagesFewer languages

radio in Bengali: রেডিও reḍiō, বেতার bētār
radio in Telugu: రేడియో rēḍiyō
radio in Malayalam: റേഡിയോ ṟēḍiyō
radio in Kannada: ರೇಡಿಯೋ rēḍiyō, ಬಾನುಲಿ bānuli
radio in Punjabi: ਰੇਡੀਓ reḍīo
radio in Gujarati: રેડિયો reḍiyo
radio in Odia: ରେଡ଼ିଓ reṛio
radio in Sanskrit: आकाशवाणी ākāśavāṇī
radio in Sinhala: ගුවන්විදුලිය guwanwiduliya, රේඩියෝ rēḍiyō
radio in Assamese: ৰেডিঅ redio, ৰেডিঅ’ redió
radio in Nepali: रेडियो reḍiyo
radio in Pashto: راډيو rāḍio
radio in Tagalog: radyo
radio in Arabic: رَادْيُو rādyū, rādyō, رَادِيُو rādiyū, rādiyō, مِذْيَاع miḏyāʕ, راديو radyu, radyo
radio in Malay: radio, tetuang udara
radio in Indonesian: peti bicara, radio, penerima radio, radio mobil
radio in Persian: رَادِیو rādiyō, رادِیو râdiyo
radio in Thai: วิทยุ wít-tá-yú
radio in Vietnamese: ra đi ô truyền thanh, vô tuyến truyền thanh, vô tuyến điện, ra đi ô
radio in Myanmar: ရေဒီယို rediyui

Examples of radio in a sentence

to hear/listen to a song on the radio
We heard a lovely song on the radio.
She was listening to the radio when he knocked on the door.
David Bowie's classic hit Space Oddity will be looping on the radio as the car is hurled into an elliptical orbit that stretches out to Mars' orbit around the Sun.2018 February 6, Jonathan Amos, “Elon Musk's huge Falcon Heavy rocket set for launch”, in BBC News, London, United Kingdom: BBC, retrieved...
When she arrived, she was told that Tad wasn't there and to have a seat and wait while they radioed him in.2006, Kimberly Johnson, Amy's Secret, page 14:

All 40 example sentences with radio

Synonyms of radio

Forms of radio

Noun
plural	radios
Verb
third-person singular present	radios
third-person singular present	radioes
present participle	radioing
past participle	radioed
past	radioed

Past tense of radio: radioed

Plural of radio: radios

Origin of radio

Short for radiotelegraphy.

Words formed from radio

Phrases with radio

122 more phrasesFewer phrases

Questions about radio

What does radio mean?: Radio means the technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
What is radio in Hindi?: Radio in Hindi is रेडियो (reḍiyo). See Radio meaning in Hindi.
How do you use radio in a sentence?: to hear/listen to a song on the radio
What part of speech is radio?: Radio can be a noun, a verb or a proper noun.
How do you pronounce radio?: Radio is pronounced /ˈɹeɪ.diˌəʊ/ (UK).
What is the plural of radio?: The plural of radio is radios.

Words near radio in the dictionary

Adapted from Wiktionary: radio (page history and authors); Radio (page history and authors); आकाशवाणी (Sanskrit) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-radio.ogg.

Cite this entry: “radio.” Word.ws, https://word.ws/radio. Based on Wiktionary, CC BY-SA 4.0.