The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CHLOROQUINE
Definition of CHLOROQUINE
noun
A 4-aminoquinoline drug used to treat and prevent malaria, having the chemical formula C18H26ClN3.
Wiktionary · CC BY-SA
Where it comes from
From chloro- + -quine (“quinoline derivative”).
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.
CHLOROQUINE in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 52, 11 July 2026. The most recent board was Day 96, 24 August 2026. Nobody has seen it on a board for 26 days.
First ever to find it
on Day 52, 11 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
CHLOROQUINE starts with C and ends with E. Sorted, its letters read CEHILNOOQRU - the shape to hunt for when the grid is scrambled. O appears more than once. It uses Q - among the least common letters in written English.
Words that start CHLOROQ
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 52
Could you have found CHLOROQUINE?
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 52 - and most players walked straight past it.
Play today's OUTLIER