The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ESTRUS
Definition of ESTRUS
noun
Alternative spelling of oestrus.
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.
ESTRUS in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 90, 18 August 2026. Nobody has seen it on a board for 22 days.
First ever to find it
on Day 90, 18 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ESTRUS starts with E and ends with S. Sorted, its letters read ERSSTU - the shape to hunt for when the grid is scrambled. S appears more than once.
Same letters, different word
3 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start ESTRUS
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ESTRUS?
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 90 - and most players walked straight past it.
Play today's OUTLIER