The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SULPHATION
Definition of SULPHATION
noun
Alternative spelling of sulfation.
noun
(chemistry) The replacement of a hydrogen atom of an organic compound with a sulfate (-OSO2OH) functional group, or the replacement of the hydrogen atoms of two molecules to form a sulfate (R-OSO2O-R)
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.
SULPHATION in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 40, 29 June 2026. The most recent board was Day 150, 17 October 2026. Nobody has seen it on a board for 3 days.
First ever to find it
on Day 40, 29 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SULPHATION starts with S and ends with N. Sorted, its letters read AHILNOPSTU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start SULPHA
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 40
Could you have found SULPHATION?
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 40 - and most players walked straight past it.
Play today's OUTLIER