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

BIOETHANOL

10 letters

Definition of BIOETHANOL

noun

Ethanol produced, by fermentation of crops, for use as a biofuel.

Wiktionary · CC BY-SA

Where it comes from

From bio- + ethanol.

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.

BIOETHANOL in OUTLIER

Players have found it on 2 boards so far.

Day 1Day 119
Its 2 boards, across 119 finished boards · taller bars are busier boards
2
Boards found on
52
First board
83
Latest board
31
Longest gap, days

It first turned up on Day 52, 11 July 2026. The most recent board was Day 83, 11 August 2026. Nobody has seen it on a board for 36 days.

First ever to find it

lena

on Day 52, 11 July 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

BIOETHANOL
10
Letters
5
Vowels
5
Consonants
9
Different letters
2
Longest consonant run
3
Longest vowel run

BIOETHANOL starts with B and ends with L. Sorted, its letters read ABEHILNOOT - the shape to hunt for when the grid is scrambled. O appears more than once.

Words that start BIOETH

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found BIOETHANOL?

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 52 - and most players walked straight past it.

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The OUTLIER card for BIOETHANOLDownload image