The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MUTON
Definition of MUTON
noun
A unit of mutation forming part of a recon.
Wiktionary · CC BY-SA
Where it comes from
Contracted form of mutation + -on, coined by American molecular biologist Seymour Benzer in 1957 as "[t]he unit of mutation […] defined as the smallest element that, when altered, can give rise to a mutant form of the organism."
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.
MUTON in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 99, 27 August 2026. Nobody has seen it on a board for 3 days.
First ever to find it
on Day 27, 16 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
MUTON starts with M and ends with N. Sorted, its letters read MNOTU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 27
Could you have found MUTON?
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 27 - and most players walked straight past it.
Play today's OUTLIER