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

BIOFOULINGS

11 letters

Definition of BIOFOULINGS

noun

plural of biofouling

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.

BIOFOULINGS in OUTLIER

Players have found it on 3 boards so far.

Day 1Day 112
Its 3 boards, across 112 finished boards · taller bars are busier boards
3
Boards found on
72
First board
89
Latest board
13
Longest gap, days

It first turned up on Day 72, 31 July 2026. The most recent board was Day 89, 17 August 2026. Nobody has seen it on a board for 23 days.

First ever to find it

krinkle

on Day 85, 13 August 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

BIOFOULINGS
11
Letters
5
Vowels
6
Consonants
9
Different letters
3
Longest consonant run
2
Longest vowel run

BIOFOULINGS starts with B and ends with S. Sorted, its letters read BFGIILNOOSU - the shape to hunt for when the grid is scrambled. I and O appear more than once.

Words that start BIOFOUL

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found BIOFOULINGS?

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 72 - and most players walked straight past it.

Play today's OUTLIER

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