The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FIBROS
Definition of FIBROS
Wiktionary has no entry for FIBROS itself. This is its base word, FIBRO.
noun
Fibro-cement; a building material consisting of asbestos fibres and cement pressed into sheets.
Wiktionary · CC BY-SA
Where it comes from
The origin recorded for FIBRO.
Abbreviations.
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.
FIBROS in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 39, 28 June 2026. The most recent board was Day 72, 31 July 2026. Nobody has seen it on a board for 30 days.
First found by a player on Day 39, 28 June 2026.
Built from these letters
FIBROS starts with F and ends with S. Sorted, its letters read BFIORS - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start FIBROS
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 39
Could you have found FIBROS?
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 39 - and most players walked straight past it.
Play today's OUTLIER