The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HYDRAULICS
Definition of HYDRAULICS
noun
The engineering science that deals with practical applications where liquid is in motion and transmits energy.
Wiktionary · CC BY-SA
Where it comes from
From hydraulic + -ics.
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.
HYDRAULICS in OUTLIER
Players have found it on 35 boards so far. 68 players have found it across Outlier's history.
It first turned up on Day 25, 14 June 2026. The most recent board was Day 101, 29 August 2026. It was on the latest finished board.
First found by a player on Day 25, 14 June 2026.
Built from these letters
HYDRAULICS starts with H and ends with S. Sorted, its letters read ACDHILRSUY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start HYDRAU
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 25
Could you have found HYDRAULICS?
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 25 - and most players walked straight past it.
Play today's OUTLIER