The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERIPHYTONS
Definition of PERIPHYTONS
noun
plural of periphyton
noun
A mixture of algae, cyanobacteria, heterotrophic microbes, and detritus that is attached to submerged surfaces in most aquatic ecosystems.
Wiktionary · CC BY-SA
Word DNA
How it is built
Same root, PERIPHYTON · 1 relative 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.
PERIPHYTONS in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 152, 19 October 2026. Nobody has seen it on a board for 11 days.
First ever to find it
on Day 152, 19 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERIPHYTONS starts with P and ends with S. Sorted, its letters read EHINOPPRSTY - the shape to hunt for when the grid is scrambled. P appears more than once.
Words that start PERIPHY
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PERIPHYTONS?
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 152 - and most players walked straight past it.
Play today's OUTLIER