The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RILLES
Definition of RILLES
noun
plural 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
Word DNA
RILLES inherits its ancestry from its root, RILLE.
Line of descent
- German
- English
One recorded step before English.
Deepest traced root
8th
of 59 source languages in OUTLIER
3.3%
of traced words share this origin (2,654)
branch · 22.6% of traced words
How it is built
Same root, RILLE · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
RILLES in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 110, 7 September 2026. The most recent board was Day 153, 20 October 2026. Nobody has seen it on a board for 8 days.
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
RILLES starts with R and ends with S. Sorted, its letters read EILLRS - 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.
Could you have found RILLES?
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