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Definition of radiothon

radiothon

/ˈreɪdi.oʊˌθɑːn/
ra · di · o · thon
Plural:radiothons
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radiothon Lexical Profile

radiothon Game Scores & Validity

• noun

1

A prolonged radio broadcast, typically lasting several hours or days, held to raise money for a charitable cause or public institution.

Example

"The local station hosted a thirty-six-hour radiothon to fund new equipment for the children's hospital."

Synonyms
View all synonyms for radiothon

• Nearby Words

radioman
radiometer
radiotherapy
radiothon
radish
radium
radius

Word Origin & Etymology

Coined in the mid-20th century as a blend of "radio" and "marathon," modeled directly after "telethon."

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Radiothon. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/radiothon
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