The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PREON
Definition of PREON
noun
A hypothetical point-like particle, supposed to be a subcomponent of quarks and leptons and possibly bosons too.
Wiktionary · CC BY-SA
Where it comes from
From pre- + -on, coined in 1974 by Jogesh Pati and Abdus Salam.
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.
PREON in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 118, 15 September 2026. Nobody has seen it on a board for 2 days.
First ever to find it
on Day 118, 15 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PREON starts with P and ends with N. Sorted, its letters read ENOPR - 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.
Could you have found PREON?
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 118 - and most players walked straight past it.
Play today's OUTLIER