The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OXYSULFIDE
Definition of OXYSULFIDE
noun
A mixed oxide and sulfide.
Wiktionary · CC BY-SA
Where it comes from
From oxy- + sulfide.
Etymology via 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.
OXYSULFIDE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 131, 28 September 2026. It was on the latest finished board.
First ever to find it
on Day 131, 28 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OXYSULFIDE starts with O and ends with E. Sorted, its letters read DEFILOSUXY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses X - among the least common letters in written English.
Could you have found OXYSULFIDE?
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 131 - and most players walked straight past it.
Play today's OUTLIER