The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SLUICE
Definition of SLUICE
noun
An artificial passage for water, fitted with a valve or gate, for example in a canal lock or a mill stream, for stopping or regulating the flow.
Wiktionary · CC BY-SA
Where it comes from
From Middle English sluse, alteration of scluse, from Anglo-Norman escluse (“sluice, floodgate”), from Late Latin exclusa (“extrusion, gate”), from Latin exclūsus, form of exclūdō (“to shut out, to exclude”) (English exclude). Cognate to Dutch sluis.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
SLUICE in OUTLIER
Players have found it on 51 boards so far. 187 players have found it across Outlier's history.
It first turned up on Day 9, 29 May 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First found by a player on Day 9, 29 May 2026.
Built from these letters
SLUICE starts with S and ends with E. Sorted, its letters read CEILSU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
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 SLUICE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 9
Could you have found SLUICE?
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 9 - and most players walked straight past it.
Play today's OUTLIER