The rare daily word game sweeping the globe. Find what's hidden in plain sight.
KERATIN
Definition of KERATIN
noun
The protein of which hair and nails are composed.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from German Keratin, from Ancient Greek κέρας (kéras, “horn”) + -in. Doublet of carat.
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.
KERATIN in OUTLIER
Players have found it on 35 boards so far. 63 players have found it across Outlier's history.
It first turned up on Day 26, 15 June 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 26, 15 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
KERATIN starts with K and ends with N. Sorted, its letters read AEIKNRT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start KERATI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 26
Could you have found KERATIN?
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 26 - and most players walked straight past it.
Play today's OUTLIER