The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERICLASE
Definition of PERICLASE
noun
A cubic crystalline form of magnesium oxide (MgO).
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.
PERICLASE in OUTLIER
Players have found it on 7 boards so far.
It first turned up on Day 54, 13 July 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 54, 13 July 2026 - before anyone else in Outlier's history. See the Pioneers
Also on
Built from these letters
PERICLASE starts with P and ends with E. Sorted, its letters read ACEEILPRS - the shape to hunt for when the grid is scrambled. E appears more than once.
Same letters, different word
3 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start PERICL
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 54
Could you have found PERICLASE?
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 54 - and most players walked straight past it.
Play today's OUTLIER