The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MUCUS
Definition of MUCUS
noun
A slippery secretion from the lining of the mucous membranes.
Wiktionary · CC BY-SA
Where it comes from
Learned borrowing from Latin mūcus. Partly displaced Old English slīm, whence modern slime.
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.
MUCUS in OUTLIER
Players have found it on 21 boards so far. 114 players have found it across Outlier's history.
It first turned up on Day 21, 10 June 2026. The most recent board was Day 112, 9 September 2026. It was on the latest finished board.
First ever to find it
on Day 21, 10 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
MUCUS starts with M and ends with S. Sorted, its letters read CMSUU - the shape to hunt for when the grid is scrambled. U appears more than once.
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 21
Could you have found MUCUS?
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 21 - and most players walked straight past it.
Play today's OUTLIER