The rare daily word game sweeping the globe. Find what's hidden in plain sight.
GASTRULA
Definition of GASTRULA
noun
A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
Wiktionary · CC BY-SA
Where it comes from
From German Gastrula, coined by Ernst Haeckel in his 1872 work "Biology of Calcareous Sponges". From gastr- (from Ancient Greek γαστήρ (gastḗr, “stomach”) + Latin -ula.
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.
GASTRULA in OUTLIER
Players have found it on 11 boards so far.
It first turned up on Day 6, 27 May 2026. The most recent board was Day 107, 4 September 2026. Nobody has seen it on a board for 4 days.
First ever to find it
on Day 6, 27 May 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
GASTRULA starts with G and ends with A. Sorted, its letters read AAGLRSTU - the shape to hunt for when the grid is scrambled. A appears more than once.
Words that start GASTRU
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 6
Could you have found GASTRULA?
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 6 - and most players walked straight past it.
Play today's OUTLIER