The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RILLE
Definition of RILLE
noun
A long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from German Rille (“channel”).
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.
RILLE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 110, 7 September 2026. It was on the latest finished board.
First ever to find it
on Day 110, 7 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
RILLE starts with R and ends with E. Sorted, its letters read EILLR - the shape to hunt for when the grid is scrambled. L appears more than once, including a double letter.
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 RILLE
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found RILLE?
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 110 - and most players walked straight past it.
Play today's OUTLIER