The rare daily word game sweeping the globe. Find what's hidden in plain sight.
THYROXIN
Definition of THYROXIN
noun
Alternative spelling of thyroxine.
noun
A thyroid hormone, with the chemical formula C15H11I4NO4, that regulates cell metabolism and growth.
Wiktionary · CC BY-SA
Word DNA
How it is built
Same root, THYROXIN · 2 relatives in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
THYROXIN in OUTLIER
Players have found it on 10 boards so far. 17 players have found it across Outlier's history.
It first turned up on Day 65, 24 July 2026. The most recent board was Day 174, 10 November 2026. Nobody has seen it on a board for 4 days.
First ever to find it
on Day 65, 24 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
THYROXIN starts with T and ends with N. Sorted, its letters read HINORTXY - 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 THYROXIN?
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 65 - and most players walked straight past it.
Play today's OUTLIER