The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FLUORIN
Definition of FLUORIN
noun
Archaic form of fluorine.
noun
The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.
Wiktionary · CC BY-SA
Word DNA
How it is built
Same root, FLUORIN · 2 relatives in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
FLUORIN in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 72, 31 July 2026. The most recent board was Day 138, 5 October 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 98, 26 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
FLUORIN starts with F and ends with N. Sorted, its letters read FILNORU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start FLUORI
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found FLUORIN?
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 72 - and most players walked straight past it.
Play today's OUTLIER