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

SPIRULINA

/ˌspɪɹəˈliːnə/9 letters

Definition of SPIRULINA

noun

A food supplement prepared from blue-green algae of the genus Arthrospira found in soda lakes.

Wiktionary · CC BY-SA

Where it comes from

From the genus name Spirulina.

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.

SPIRULINA in OUTLIER

Players have found it on 20 boards so far. 34 players have found it across Outlier's history.

Day 1Day 102
Its 20 boards, across 102 finished boards · taller bars are busier boards
20
Boards found on
36
First board
102
Latest board
18
Longest gap, days

It first turned up on Day 36, 25 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.

First ever to find it

cocobean

on Day 36, 25 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

SPIRULINA
9
Letters
4
Vowels
5
Consonants
8
Different letters
2
Longest consonant run
1
Longest vowel run

SPIRULINA starts with S and ends with A. Sorted, its letters read AIILNPRSU - the shape to hunt for when the grid is scrambled. I appears more than once.

Words that start SPIRUL

Its neighbours in the OUTLIER dictionary - shortest first.

SPIRULASPIRULAESPIRULASSPIRULINAESPIRULINAS

Could you have found SPIRULINA?

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 36 - and most players walked straight past it.

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