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

ALUM

/ˈæl.əm/4 letters

Definition of ALUM

noun

An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K2SO4·Al2(SO4)3·24H2O).

Wiktionary · CC BY-SA

Where it comes from

From Middle English alum, alym, alyme, from Anglo-Norman alum, alun, from Latin alūmen.

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.

ALUM in OUTLIER

Players have found it on 27 boards so far. 49 players have found it across Outlier's history.

Day 1Day 112
Its 27 boards, across 112 finished boards · taller bars are busier boards
27
Boards found on
16
First board
112
Latest board
12
Longest gap, days

It first turned up on Day 16, 5 June 2026. The most recent board was Day 112, 9 September 2026. It was on the latest finished board.

First ever to find it

snowweiss

on Day 16, 5 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

ALUM
4
Letters
2
Vowels
2
Consonants
4
Different letters
1
Longest consonant run
1
Longest vowel run

ALUM starts with A and ends with M. Sorted, its letters read ALMU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

Same letters, different word

2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start ALUM

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found ALUM?

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 16 - and most players walked straight past it.

Play today's OUTLIER

Share ALUM

The OUTLIER card for ALUMDownload image