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

INDEX

/ˈɪndɛks/5 letters

Definition of INDEX

noun

An alphabetical listing of items and their location.

Wiktionary · CC BY-SA

Where it comes from

From Latin index (“a discoverer, informer, spy; of things, an indicator, the forefinger, a title, superscription”), from indicō (“point out, show”); see indicate.

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.

INDEX in OUTLIER

Players have found it on 10 boards so far. 20 players have found it across Outlier's history.

Day 1Day 110
Its 10 boards, across 110 finished boards · taller bars are busier boards
10
Boards found on
32
First board
105
Latest board
33
Longest gap, days

It first turned up on Day 32, 21 June 2026. The most recent board was Day 105, 2 September 2026. Nobody has seen it on a board for 5 days.

First found by a player on Day 32, 21 June 2026.

Also on

Built from these letters

INDEX
5
Letters
2
Vowels
3
Consonants
5
Different letters
2
Longest consonant run
1
Longest vowel run

INDEX starts with I and ends with X. Sorted, its letters read DEINX - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses X - among the least common letters in written English.

Same letters, different word

One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start INDEX

Its neighbours in the OUTLIER dictionary - shortest first.

INDEXALINDEXEDINDEXERINDEXESINDEXERSINDEXINGINDEXABLEINDEXICALINDEXINGSINDEXLESSINDEXATIONINDEXICALS

Could you have found INDEX?

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 32 - and most players walked straight past it.

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