The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERITONAEUM
Definition of PERITONAEUM
noun
Alternative form of peritoneum.
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.
PERITONAEUM in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 103, 31 August 2026. Nobody has seen it on a board for 8 days.
First ever to find it
on Day 103, 31 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERITONAEUM starts with P and ends with M. Sorted, its letters read AEEIMNOPRTU - the shape to hunt for when the grid is scrambled. E appears more than once.
Words that start PERITON
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PERITONAEUM?
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 103 - and most players walked straight past it.
Play today's OUTLIER