The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CRYSTALLINE
Definition of CRYSTALLINE
adjective
Of, relating to, or composed of crystals.
Wiktionary · CC BY-SA
Where it comes from
From Middle English cristallyn, cristallyne, from Old French cristallin and its etymon Latin crystallinus, from Ancient Greek κρυστάλλινος (krustállinos), from κρύσταλλος (krústallos, “crystal”) + -ῐνος (-ĭnos, adjectival suffix). By surface analysis, crystal + -ine.
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.
CRYSTALLINE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 110, 7 September 2026. Nobody has seen it on a board for 9 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
CRYSTALLINE starts with C and ends with E. Sorted, its letters read ACEILLNRSTY - the shape to hunt for when the grid is scrambled. L appears more than once, including a double letter.
Words that start CRYSTAL
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found CRYSTALLINE?
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