The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MUREIN
Definition of MUREIN
noun
peptidoglycan, mucopeptide
Wiktionary · CC BY-SA
Where it comes from
Blend of muramic acid + -ein.
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.
MUREIN in OUTLIER
Players have found it on 8 boards so far.
It first turned up on Day 28, 17 June 2026. The most recent board was Day 92, 20 August 2026. Nobody has seen it on a board for 10 days.
First found by a player on Day 28, 17 June 2026.
Built from these letters
MUREIN starts with M and ends with N. Sorted, its letters read EIMNRU - 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.
Also seen on Day 28
Could you have found MUREIN?
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 28 - and most players walked straight past it.
Play today's OUTLIER