The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FLUORIDATION
Definition of FLUORIDATION
noun
The act or process of adding fluoride to something, especially water.
Wiktionary · CC BY-SA
Where it comes from
From fluoride + -ation.
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.
FLUORIDATION in OUTLIER
Players have found it on 9 boards so far. 23 players have found it across Outlier's history.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 99, 27 August 2026. It was on the latest finished board.
First found by a player on Day 27, 16 June 2026.
Built from these letters
FLUORIDATION starts with F and ends with N. Sorted, its letters read ADFIILNOORTU - the shape to hunt for when the grid is scrambled. O and I appear more than once.
Words that start FLUORIDA
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 27
Could you have found FLUORIDATION?
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 27 - and most players walked straight past it.
Play today's OUTLIER