The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SILEX
Definition of SILEX
noun
Flint.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Latin silex.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Latin
- English
One recorded step before English.
Deepest traced root
1st
of 59 source languages in OUTLIER
33.1%
of traced words share this origin (9,723)
branch · 33.1% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
SILEX in OUTLIER
Players have found it on 19 boards so far. 131 players have found it across Outlier's history.
It first turned up on Day 85, 13 August 2026. The most recent board was Day 145, 12 October 2026. Nobody has seen it on a board for 4 days.
First ever to find it
on Day 85, 13 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SILEX starts with S and ends with X. Sorted, its letters read EILSX - 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 SILEX
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found SILEX?
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 85 - and most players walked straight past it.
Play today's OUTLIER