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

FIBROBLAST

/ˈfaɪ.brəˌblɑːst/10 letters

Definition of FIBROBLAST

noun

A cell found in connective tissue that produces fibers, such as collagen.

Wiktionary · CC BY-SA

Where it comes from

From fibro- + -blast.

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.

FIBROBLAST in OUTLIER

Players have found it on 1 board so far.

Day 1Day 120
Its one board, across 120 finished boards · taller bars are busier boards
1
Boards found on
110
First board
10
Days since seen

It first turned up on Day 110, 7 September 2026. Nobody has seen it on a board for 10 days.

First ever to find it

neriwind

on Day 110, 7 September 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

FIBROBLAST
10
Letters
3
Vowels
7
Consonants
9
Different letters
2
Longest consonant run
1
Longest vowel run

FIBROBLAST starts with F and ends with T. Sorted, its letters read ABBFILORST - the shape to hunt for when the grid is scrambled. B appears more than once.

Words that start FIBROB

Its neighbours in the OUTLIER dictionary - shortest first.

FIBROBLASTSFIBROBLASTIC

Could you have found FIBROBLAST?

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 110 - and most players walked straight past it.

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