The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CLUSTER
Definition of CLUSTER
noun
A bunch or group of several discrete items that are close to each other.
Wiktionary · CC BY-SA
Where it comes from
The noun is derived from Middle English cluster (“bunch, cluster, spray; compact body or mass, ball”) [and other forms], from Old English cluster, clyster (“cluster, bunch, branch”), from Proto-Germanic *klas-, *klus- (“to clump, lump together”) (possibly from Proto-Indo-European *gel- (“to ball up; to clench; to amass”)) + *-þrą (suffix forming nouns denoting an instrument or tool). The English word is probably a doublet of clot. The verb is derived from the noun.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
4 recorded generations before English.
Deepest traced root
2nd
of 59 source languages in OUTLIER
14.2%
of traced words share this origin (11,595)
How it is built
Same root, CLUSTER · 4 relatives in the game
Every Proto-Indo-European word → · The Word DNA of OUTLIER →
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
CLUSTER in OUTLIER
Players have found it on 40 boards so far. 66 players have found it across Outlier's history.
It first turned up on Day 24, 13 June 2026. The most recent board was Day 164, 31 October 2026. It was on the latest finished board.
First found by a player on Day 24, 13 June 2026.
Built from these letters
CLUSTER starts with C and ends with R. Sorted, its letters read CELRSTU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
4 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start CLUSTE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 24
Could you have found CLUSTER?
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 24 - and most players walked straight past it.
Play today's OUTLIER