The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MEDIASTINUM
Definition of MEDIASTINUM
noun
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.
Wiktionary · CC BY-SA
Where it comes from
From New Latin mediastīnum, from Medieval Latin mediastīnus (“middling; middle”), from Latin mediastīnus (“a common servant”).
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.
MEDIASTINUM in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 90, 18 August 2026. Nobody has seen it on a board for 21 days.
First ever to find it
on Day 90, 18 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
MEDIASTINUM starts with M and ends with M. Sorted, its letters read ADEIIMMNSTU - the shape to hunt for when the grid is scrambled. M and I appear more than once.
Words that start MEDIAST
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found MEDIASTINUM?
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 90 - and most players walked straight past it.
Play today's OUTLIER