The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERITHECIUM
Definition of PERITHECIUM
noun
An ascocarp shaped like a skittle or ball, distinguished by a small pore, the ostiole, through which the spores are released one by one when ripe.
Wiktionary · CC BY-SA
Where it comes from
From peri- + thecium.
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.
PERITHECIUM in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 102, 30 August 2026. The most recent board was Day 117, 14 September 2026. Nobody has seen it on a board for 2 days.
First ever to find it
on Day 102, 30 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERITHECIUM starts with P and ends with M. Sorted, its letters read CEEHIIMPRTU - the shape to hunt for when the grid is scrambled. E and I appear more than once.
Words that start PERITHE
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PERITHECIUM?
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 102 - and most players walked straight past it.
Play today's OUTLIER