The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SILICA
Definition of SILICA
noun
Silicon dioxide.
Wiktionary · CC BY-SA
Where it comes from
From New Latin silica, from Latin silex (“hard stone, flint”), on model of alumina, soda.
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.
SILICA in OUTLIER
Players have found it on 13 boards so far. 20 players have found it across Outlier's history.
It first turned up on Day 30, 19 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 30, 19 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SILICA starts with S and ends with A. Sorted, its letters read ACIILS - the shape to hunt for when the grid is scrambled. I appears more than once.
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 SILICA
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 30
Could you have found SILICA?
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 30 - and most players walked straight past it.
Play today's OUTLIER