The rare daily word game sweeping the globe. Find what's hidden in plain sight.
THYROXINE
Definition of THYROXINE
noun
A thyroid hormone, with the chemical formula C15H11I4NO4, that regulates cell metabolism and growth.
Wiktionary · CC BY-SA
Where it comes from
From thyr- (“thyroid”) + ox- (“oxygen”) + -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.
THYROXINE in OUTLIER
Players have found it on 5 boards so far. 10 players have found it across Outlier's history.
It first turned up on Day 85, 13 August 2026. The most recent board was Day 99, 27 August 2026. Nobody has seen it on a board for 3 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
THYROXINE starts with T and ends with E. Sorted, its letters read EHINORTXY - 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.
Words that start THYROX
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found THYROXINE?
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