The rare daily word game sweeping the globe. Find what's hidden in plain sight.
GASTRIN
Definition of GASTRIN
noun
A hormone that stimulates the production of gastric acid in the stomach
Wiktionary · CC BY-SA
Where it comes from
Ancient Greek γαστήρ (gastḗr) + -in
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- English
One recorded step before English.
Deepest traced root
2nd
of 58 source languages in OUTLIER
12.6%
of traced words share this origin (3,660)
branch · 12.6% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
GASTRIN in OUTLIER
Players have found it on 10 boards so far. 12 players have found it across Outlier's history.
It first turned up on Day 50, 9 July 2026. The most recent board was Day 143, 10 October 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 50, 9 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
GASTRIN starts with G and ends with N. Sorted, its letters read AGINRST - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
4 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start GASTRI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 50
Could you have found GASTRIN?
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 50 - and most players walked straight past it.
Play today's OUTLIER