The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RADIO
Definition of RADIO
noun
The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
Wiktionary · CC BY-SA
Where it comes from
Short for radiotelegraphy.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
RADIO in OUTLIER
It has fitted 102 boards so far. 15 players have found it across Outlier's history.
It first turned up on Day 1, 22 May 2026. The most recent board was Day 107, 4 September 2026. It was on the latest finished board.
First found by a player on Day 27, 16 June 2026.
Built from these letters
RADIO starts with R and ends with O. Sorted, its letters read ADIOR - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start RADIO
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 1
Could you have found RADIO?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 1 - and most players walked straight past it.
Play today's OUTLIER