The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERITONEA
Definition of PERITONEA
noun
plural of peritoneum
noun
In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
Wiktionary · CC BY-SA
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
PERITONEA in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 85, 13 August 2026. The most recent board was Day 132, 29 September 2026. Nobody has seen it on a board for 21 days.
First ever to find it
on Day 85, 13 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERITONEA starts with P and ends with A. Sorted, its letters read AEEINOPRT - the shape to hunt for when the grid is scrambled. E appears more than once.
Words that start PERITO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PERITONEA?
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 85 - and most players walked straight past it.
Play today's OUTLIER