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

SLEEPER

/ˈsliːpə(ɹ)/7 letters

Definition of SLEEPER

noun

Someone who sleeps.

Wiktionary · CC BY-SA

Where it comes from

From Middle English sleper, equivalent to sleep + -er.

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.

SLEEPER in OUTLIER

Players have found it on 1 board so far.

Day 1Day 116
Its one board, across 116 finished boards · taller bars are busier boards
1
Boards found on
113
First board
3
Days since seen

It first turned up on Day 113, 10 September 2026. Nobody has seen it on a board for 3 days.

First ever to find it

franklin

on Day 113, 10 September 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

SLEEPER
7
Letters
3
Vowels
4
Consonants
5
Different letters
2
Longest consonant run
2
Longest vowel run

SLEEPER starts with S and ends with R. Sorted, its letters read EEELPRS - the shape to hunt for when the grid is scrambled. E appears more than once, including a double letter.

Same letters, different word

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

PEELERSSPEELER

Words that start SLEEPE

Its neighbours in the OUTLIER dictionary - shortest first.

SLEEPERSSLEEPERY

Could you have found SLEEPER?

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 113 - and most players walked straight past it.

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The OUTLIER card for SLEEPERDownload image