The rare daily word game sweeping the globe. Find what's hidden in plain sight.

FIBRIL

/ˈfaɪbɹ(ə)l/6 letters

Definition of FIBRIL

noun

A fine fibre or filament.

Wiktionary · CC BY-SA

Where it comes from

Borrowed from Latin fibrilla, diminutive of Latin fibra. Doublet of fibrilla. Compare fibre.

Etymology via Wiktionary (CC BY-SA).

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

FIBRIL in OUTLIER

Players have found it on 7 boards so far.

Day 1Day 102
Its 7 boards, across 102 finished boards · taller bars are busier boards
7
Boards found on
33
First board
100
Latest board
24
Longest gap, days

It first turned up on Day 33, 22 June 2026. The most recent board was Day 100, 28 August 2026. Nobody has seen it on a board for 2 days.

First ever to find it

magnetschool

on Day 33, 22 June 2026 - before anyone else in Outlier's history. See the Pioneers

Also on

Built from these letters

FIBRIL
6
Letters
2
Vowels
4
Consonants
5
Different letters
2
Longest consonant run
1
Longest vowel run

FIBRIL starts with F and ends with L. Sorted, its letters read BFIILR - the shape to hunt for when the grid is scrambled. I appears more than once.

Words that start FIBRIL

Its neighbours in the OUTLIER dictionary - shortest first.

FIBRILSFIBRILARFIBRILLAFIBRILLAEFIBRILLARFIBRILLINFIBRILLARYFIBRILLATEFIBRILLINSFIBRILLOSEFIBRILLOUSFIBRILLATED

Could you have found FIBRIL?

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 33 - and most players walked straight past it.

Play today's OUTLIER

Share FIBRIL

The OUTLIER card for FIBRILDownload image