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

SPHAERIDIUM

11 letters

Definition of SPHAERIDIUM

noun

Synonym of capitulum.

Wiktionary · CC BY-SA

Where it comes from

From Ancient Greek σφαιρίδιον (sphairídion, “sphere (diminutive form)”), by surface analysis, sphero- + -idium.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Ancient Greek
  2. English

One recorded step before English.

Ancient Greek

Deepest traced root

2nd

of 59 source languages in OUTLIER

12.6%

of traced words share this origin (3,410)

Hellenic

branch · 12.6% of traced words

How it is built

nouncompound-idiumsphero-

Every Ancient Greek word → · The Word DNA of OUTLIER →

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.

SPHAERIDIUM in OUTLIER

Players have found it on 1 board so far.

Day 1Day 137
Its one board, across 137 finished boards · taller bars are busier boards
1
Boards found on
135
First board
2
Days since seen

It first turned up on Day 135, 2 October 2026. Nobody has seen it on a board for 2 days.

First ever to find it

enantiomeric

on Day 135, 2 October 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

SPHAERIDIUM
11
Letters
5
Vowels
6
Consonants
10
Different letters
3
Longest consonant run
2
Longest vowel run

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

Words that start SPHAERI

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found SPHAERIDIUM?

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 135 - and most players walked straight past it.

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