The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FIBROIN
Definition of FIBROIN
noun
A tough elastic protein that is the main component of silk and of spider's webs
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.
FIBROIN in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 125, 22 September 2026. It was on the latest finished board.
First ever to find it
on Day 125, 22 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
FIBROIN starts with F and ends with N. Sorted, its letters read BFIINOR - the shape to hunt for when the grid is scrambled. I appears more than once.
Words that start FIBROI
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found FIBROIN?
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 125 - and most players walked straight past it.
Play today's OUTLIER