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

MYCELIUM

/maɪˈsi.li.əm/8 letters

Definition of MYCELIUM

noun

The vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, often underground.

Wiktionary · CC BY-SA

Where it comes from

From New Latin mycelium; synchronically, myc- + -el- + -ium, where the infix -el- is of unknown origin, perhaps introduced from a rebracketing of epithelium.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Latin
  2. English

One recorded step before English.

Latin

Deepest traced root

1st

of 59 source languages in OUTLIER

30.7%

of traced words share this origin (26,234)

Italic

branch · 30.7% of traced words

How it is built

noun4 syllablescompound-iummyc-

Same root, MYCELIUM · 3 relatives in the game

Every Latin 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.

MYCELIUM in OUTLIER

Players have found it on 2 boards so far. 13 players have found it across Outlier's history.

Day 1Day 172
Its 2 boards, across 172 finished boards · taller bars are busier boards
2
Boards found on
166
First board
172
Latest board
6
Longest gap, days

It first turned up on Day 166, 2 November 2026. The most recent board was Day 172, 8 November 2026. It was on the latest finished board.

First ever to find it

jeffjk

on Day 166, 2 November 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

MYCELIUM
8
Letters
3
Vowels
5
Consonants
7
Different letters
3
Longest consonant run
2
Longest vowel run

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

Words that start MYCELI

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found MYCELIUM?

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 166 - and most players walked straight past it.

Play today's OUTLIER