The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FLUORIDES
Definition of FLUORIDES
noun
plural of fluoride
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.
FLUORIDES in OUTLIER
Players have found it on 30 boards so far. 49 players have found it across Outlier's history.
It first turned up on Day 28, 17 June 2026. The most recent board was Day 98, 26 August 2026. It was on the latest finished board.
First ever to find it
on Day 28, 17 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
FLUORIDES starts with F and ends with S. Sorted, its letters read DEFILORSU - 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.
Also seen on Day 28
Could you have found FLUORIDES?
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 28 - and most players walked straight past it.
Play today's OUTLIER