The rare daily word game sweeping the globe. Find what's hidden in plain sight.
POSITRON
Definition of POSITRON
noun
The antimatter equivalent of an electron, having the same mass but a positive charge.
Wiktionary · CC BY-SA
Where it comes from
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
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.
POSITRON in OUTLIER
Players have found it on 28 boards so far. 78 players have found it across Outlier's history.
It first turned up on Day 26, 15 June 2026. The most recent board was Day 97, 25 August 2026. It was on the latest finished board.
First ever to find it
on Day 26, 15 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
POSITRON starts with P and ends with N. Sorted, its letters read INOOPRST - the shape to hunt for when the grid is scrambled. O appears more than once.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start POSITR
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 26
Could you have found POSITRON?
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 26 - and most players walked straight past it.
Play today's OUTLIER